IT AI Index
September 2026 Edition · The permanent record of this edition. The unqualified address always carries the latest edition.
Index › Developer platform › Feature flags › Enterprise › September 2026 Edition

Feature flags for enterprise buyers

Asked as “feature flag platform”, and as “feature management tool”, on behalf of an enterprise B2B company. 46 first choices recorded across the direct, paraphrase, budget and scale prompts, twelve models each.
Standing
LaunchDarkly
Clear leader
59% of first choices, clear leader.
ShowinginAll 67 categories in the September 2026 Edition →

By buyer segment

The same question asked on behalf of a different buyer. Each standing is computed within its segment; they sit side by side and are never added together.
Small businessConfigCat43%Clear leaderStanding →Mid-marketLaunchDarkly30%ContestedStanding →EnterpriseLaunchDarkly59%Clear leaderThis page

01The standing

Share is the count of first choices across the direct, paraphrase, budget and scale prompts, over all twelve models, for an enterprise B2B company. Ordered by share.
ProductFirst-choice shareNegative rateLabelsQuadrant
01LaunchDarkly59%29%66criticized default
02ConfigCat13%10%20accepted challenger
03Unleash9%11%61accepted challenger
04Flagsmith4%11%36accepted challenger
05GrowthBook2%9%23accepted challenger
06Statsig2%23%35accepted challenger
07Split2%30%30criticized challenger
Bars are the share of first choices, 0 to 100Every product with at least 10 labels here. Every product name links to its vendor page.
Head to head
LaunchDarkly vs FlagsmithLaunchDarkly vs ConfigCatFlagsmith vs ConfigCat

One product takes 59% of first choices here, so the chart would put six markers in one corner and one at the far edge. The two measurements it plots are columns in the standing above: share, and the negative label rate. Two products carry a negative rate above 25% in this category. Jump to the standing

02What they warned about

Seven of twelve models held their first choice under the paraphrase. Claude Haiku 4.5, Mistral Small, Llama 4 Maverick, Qwen 3.7 Flash and MiniMax M2.5 changed. A high negative share on a product with few labels is a warning. A low share on a product with many labels is salience, not sentiment.
LaunchDarkly
29%
19 of 66 labels negative · 12 of 12 models · 4 hard negative
“LaunchDarkly | Pricing shocks (MAU + data export), **no self-hosted control plane** ... documented reliability incident (Oct 2025) causing data loss.” DeepSeek V4 Flash, negative prompt
Split
30%
9 of 30 labels negative · 8 of 12 models · 1 hard negative
“Users report slow implementation and a **third-party streaming dependency** that can bottleneck; less robust feature management” DeepSeek V4 Flash, negative prompt
Statsig
23%
8 of 35 labels negative · 7 of 12 models
“If you use SaaS-focused tools like **Statsig** or **Split.io (by Harness)**, ensure you are utilizing their local/server-side evaluation SDKs” Gemini 3.5 Flash, negative prompt
Unleash
11%
7 of 61 labels negative · 7 of 12 models
“Unleash SaaS (which charges $75 per developer seat per month) can quickly lead to astronomical, unpredictable annual bills” Gemini 3.5 Flash, budget prompt

03What they cite

Citations exist only for the models that return a source list: twelve of the twelve in this edition, and all six flagship models on the expanded tier.

Sites the answers cite

67 of 72 answers in this category came back with a source list, from 12 of 12 models: citations where the model returns them, or the search results it consulted. 5 of those lists are Google grounding redirects that name no site and are left out of the counts. 942 links across 181 sites, every framing counted. Ranked by the number of answers carrying the site or page.

getunleash.io
40 answers · 71 citations · 10 models
harness.io
vendor site · Harness36 answers · 39 citations · 11 models
growthbook.io
vendor site · GrowthBook32 answers · 52 citations · 10 models
launchdarkly.com
vendor site · LaunchDarkly25 answers · 61 citations · 7 models
statsig.com
vendor site · Statsig23 answers · 47 citations · 11 models
guptadeepak.com
20 answers · 20 citations · 8 models
flagsmith.com
vendor site · Flagsmith18 answers · 25 citations · 7 models
g2.com
17 answers · 25 citations · 9 models
gartner.com
16 answers · 23 citations · 9 models
flagshark.com
16 answers · 17 citations · 6 models
topickz.com
15 answers · 20 citations · 7 models
toolradar.com
15 answers · 15 citations · 8 models

Pages the answers cite

The ten pages named in the most answers, by full address. A page here is one the models returned with a recommendation, not one the index endorses.

harness.io/blog/feature-flag-tools-compared-10-best-platforms-for-safer-rel…
32 answers · 10 models
getunleash.io/
24 answers · 10 models
guptadeepak.com/tools/top-5-feature-flag-management-tools-2026
20 answers · 8 models
gartner.com/reviews/market/feature-management
16 answers · 9 models
toolradar.com/guides/best-feature-flag-tools
15 answers · 8 models
contentwave.net/article/launchdarkly-vs-split-vs-unleash-vs-flagsmith-june-…
13 answers · 5 models
flagshark.com/blog/launchdarkly-vs-split-vs-unleash-comparison-2026
13 answers · 5 models
growthbook.io/blog/unleash-alternatives
13 answers · 7 models
kameleoon.com/blog/top-feature-flag-management-tools
12 answers · 8 models
posthog.com/blog/best-feature-flag-software-for-developers
12 answers · 7 models

04How they answered

Six framings of the same buying question, each sent to every model in a fresh session with search on. One row per model, so a row shows whether it held its answer under rewording, what it named when cost was the constraint, and what it argued against. Computed from the raw judge labels.
ModelDirect“What is the best feature flag platform for an enterprise B2B company?”Paraphrase“Which feature management tool would you recommend to a large B2B company with thousands of employees?”Comparative“What are the top enterprise-grade feature flag platforms and how do they differ?”Budget-constrained“What is the best feature flag platform for a large company that needs predictable total cost across thousands of users?”Scale-constrained“We are a 5,000 person company with SSO, SOC 2 and procurement review requirements evaluating a feature flag platform. What should we look at?”Negative“Which feature flag platforms should a large enterprise avoid or be cautious about?”
Claude Haiku 4.5no first choiceLaunchDarklyChanged
Two alternativesReflag, Unleash
LaunchDarkly
Six alternativesCloudBees Feature Management, Flagsmith, Harness, Split, Statsig, Unleash
against: OptimizelyConfigCat, Flagsmith
One alternativeUnleash
against: LaunchDarklyno first choiceagainst: LaunchDarkly, Statsig, Unleash
GPT-5.4 miniLaunchDarkly
Three alternativesHarness, Statsig, Unleash
LaunchDarklyHeld
Two alternativesHarness FME, Statsig
LaunchDarkly
Four alternativesConfigCat, Split, Statsig, Unleash
Flagsmithagainst: LaunchDarkly, Statsigno first choicenothing named
Gemini 3.5 FlashLaunchDarkly
Five alternativesFlagsmith, GrowthBook, Schematic, Unleash, WorkOS
LaunchDarklyHeld
Three alternativesFlagsmith, Harness Feature Flags, Unleash
LaunchDarkly
Five alternativesFlagsmith, GrowthBook, Harness FME, Statsig, Unleash
ConfigCat
Three alternativesFeatBit, Flagsmith, Statsig
against: LaunchDarkly, UnleashLaunchDarkly
Four alternativesOptimizely, Split, Statsig, Unleash
against: Amplitude, ConfigCat, Flipt, Homegrown" Feature Flag Systems, LaunchDarkly, Mixpanel, PostHog, Split, Statsig
Perplexity SonarLaunchDarkly
Four alternativesFlagsmith, GrowthBook, Statsig, Unleash
LaunchDarklyHeld
Two alternativesCloudBees, Unleash
LaunchDarkly
Five alternativesFlagsmith, GrowthBook, Harness FME, Statsig, Unleash
ConfigCat
Three alternativesFlagsmith, GrowthBook, Statsig
against: LaunchDarklyno first choiceagainst: ConfigCat, DevCycle
Grok 4.1 FastLaunchDarkly
Five alternativesFlagsmith, GrowthBook, Split, Statsig, Unleash
LaunchDarklyHeld
Three alternativesFlagsmith, Harness FME, Unleash
LaunchDarkly
Four alternativesFlagsmith, Harness FME, Statsig, Unleash
ConfigCat
Four alternativesFeatBit, Flagsmith, GrowthBook, Unleash
against: LaunchDarkly, SplitLaunchDarkly
Two alternativesSplit, Statsig
against: FeatBit, Flagsmith, GrowthBook, LaunchDarkly, PostHog, Statsig, Unleash
Mistral SmallHarness, LaunchDarkly
One alternativeGrowthBook
LaunchDarklyChanged
Two alternativesKameleoon, Unleash
LaunchDarkly
Five alternativesFlagsmith, GrowthBook, Harness FME, PostHog, Unleash
LaunchDarkly
Two alternativesHarness Feature Flags, Unleash
no first choiceagainst: Flagsmith, LaunchDarkly, Split, Unleash
DeepSeek V4 FlashLaunchDarkly
Six alternativesFeatBit, Flagsmith, Harness Feature Flags / Feature Management, Reflag, Statsig, Unleash
LaunchDarklyHeld
Four alternativesFlagsmith, GrowthBook, Harness FME, Unleash
LaunchDarkly
Six alternativesConfigCat, Flagsmith, GrowthBook, Split / Harness Feature Management, Statsig, Unleash
Unleash
Three alternativesConfigCat, DevCycle, Flagsmith
against: LaunchDarkly, StatsigLaunchDarkly
Two alternativesHarness FME, Unleash
against: GrowthBook, LaunchDarkly, Optimizely, Split
Llama 4 MaverickHarness
Two alternativesReflag, Unleash
KameleoonChanged
Two alternativesLaunchDarkly, Unleash
LaunchDarkly
Six alternativesConfigCat, Flagsmith, GrowthBook, Split, Statsig, Unleash
Unleash
Two alternativesConfigCat, Statsig
against: LaunchDarklyUnleash
Two alternativesDevCycle, LaunchDarkly
nothing named
Qwen 3.7 FlashLaunchDarkly, Reflag, Unleash
Two alternativesGrowthBook, Statsig
LaunchDarklyChanged
Two alternativesHarness, Optimizely
LaunchDarkly
Three alternativesGrowthBook, Split, Unleash
ConfigCat
One alternativeUnleash
against: Flagsmith, LaunchDarklyno first choiceagainst: In-House Solutions, LaunchDarkly, Split, Unleash
Kimi K2LaunchDarkly
Two alternativesSplit, Unleash
LaunchDarklyHeld
Two alternativesSplit, Unleash
LaunchDarkly
Four alternativesFlagsmith, GrowthBook, Statsig, Unleash
against: SplitGrowthBook
One alternativeUnleash
against: Flagsmith, LaunchDarkly, StatsigLaunchDarkly
Three alternativesFlagsmith, Split, Unleash
against: Firebase Remote Config
GLM 4.7 FlashXLaunchDarkly
Five alternativesConfigCat, Flagsmith, Split, Statsig, Unleash
LaunchDarklyHeld
Two alternativesSplit, Unleash
LaunchDarkly
Six alternativesConfigCat, GrowthBook, Optimizely, Split, Statsig, Unleash
Statsig
Two alternativesFeatBit, Flipt
against: LaunchDarkly, Unleashno first choiceagainst: Home-Grown / In-House Solutions, LaunchDarkly, Split
MiniMax M2.5LaunchDarkly, Split
Two alternativesOptimizely Feature Experimentation, Unleash
LaunchDarklyChanged
Three alternativesConfigCat, Split, Unleash
LaunchDarkly
Four alternativesConfigCat, GrowthBook, Optimizely, Statsig
against: SplitConfigCat
One alternativeFeatBit
against: LaunchDarkly, Statsig, UnleashLaunchDarkly
Two alternativesSplit, Unleash
against: Statsigagainst: LaunchDarkly, Split
Bold is the first choiceAlternatives are counted; the count opens them.What the answer argued against

05The record

One row per call: the version string exactly as returned, whether the model searched, sources cited, and latency. Full answer text is in the free responses file. Download the record
Seventy-two rows: every prompt, every model, every answer.
PromptModelVersion stringTime (UTC)SearchedSourcesLatency
Direct recommendationClaude Haiku 4.5claude-haiku-4-5-202510012026-09-17 13:10no04 s
Direct recommendationGPT-5.4 minigpt-5.4-mini-2026-03-172026-09-17 12:42yes34 s
Direct recommendationGemini 3.5 Flashgemini-3.5-flash2026-09-17 10:20yes1526 s
Direct recommendationPerplexity Sonarsonar2026-09-17 13:35yes206 s
Direct recommendationGrok 4.1 Fastspacexai/grok-4.1-fast-non-reasoning via vertex2026-09-17 10:03yes3817 s
Direct recommendationMistral Smallmistral/mistral-small via mistral2026-09-17 09:32yes54 s
Direct recommendationDeepSeek V4 Flashdeepseek/deepseek-v4-flash via fireworks2026-09-17 13:17yes1819 s
Direct recommendationLlama 4 Maverickmeta/llama-4-maverick via bedrock2026-09-17 11:12yes53 s
Direct recommendationQwen 3.7 Flashalibaba/qwen3.7-flash via alibaba2026-09-17 13:36yes2041 s
Direct recommendationKimi K2moonshotai/kimi-k2 via novita2026-09-17 13:42yes1020 s
Direct recommendationGLM 4.7 FlashXzai/glm-4.7-flashx via zai2026-09-17 13:06yes1565 s
Direct recommendationMiniMax M2.5minimax/minimax-m2.5 via minimax2026-09-17 12:50yes574 s
ParaphraseClaude Haiku 4.5claude-haiku-4-5-202510012026-09-17 11:06yes98 s
ParaphraseGPT-5.4 minigpt-5.4-mini-2026-03-172026-09-17 12:25yes45 s
ParaphraseGemini 3.5 Flashgemini-3.5-flash2026-09-17 11:12yes1522 s
ParaphrasePerplexity Sonarsonar2026-09-17 10:51yes205 s
ParaphraseGrok 4.1 Fastspacexai/grok-4.1-fast-non-reasoning via vertex2026-09-17 10:23yes168 s
ParaphraseMistral Smallmistral/mistral-small via mistral2026-09-17 13:07yes54 s
ParaphraseDeepSeek V4 Flashdeepseek/deepseek-v4-flash via fireworks2026-09-17 11:04yes2021 s
ParaphraseLlama 4 Maverickmeta/llama-4-maverick via bedrock2026-09-17 09:55yes53 s
ParaphraseQwen 3.7 Flashalibaba/qwen3.7-flash via alibaba2026-09-17 13:49yes531 s
ParaphraseKimi K2moonshotai/kimi-k2 via novita2026-09-17 11:50yes2027 s
ParaphraseGLM 4.7 FlashXzai/glm-4.7-flashx via zai2026-09-17 12:18yes1936 s
ParaphraseMiniMax M2.5minimax/minimax-m2.5 via minimax2026-09-17 10:34yes1736 s
ComparativeClaude Haiku 4.5claude-haiku-4-5-202510012026-09-17 12:42yes910 s
ComparativeGPT-5.4 minigpt-5.4-mini-2026-03-172026-09-17 13:08yes68 s
ComparativeGemini 3.5 Flashgemini-3.5-flash2026-09-17 11:27yes2135 s
ComparativePerplexity Sonarsonar2026-09-17 12:31yes209 s
ComparativeGrok 4.1 Fastspacexai/grok-4.1-fast-non-reasoning via vertex2026-09-17 13:14yes3718 s
ComparativeMistral Smallmistral/mistral-small via mistral2026-09-17 13:40yes58 s
ComparativeDeepSeek V4 Flashdeepseek/deepseek-v4-flash via fireworks2026-09-17 12:47yes2828 s
ComparativeLlama 4 Maverickmeta/llama-4-maverick via bedrock2026-09-17 12:26yes53 s
ComparativeQwen 3.7 Flashalibaba/qwen3.7-flash via alibaba2026-09-17 12:28yes532 s
ComparativeKimi K2moonshotai/kimi-k2 via novita2026-09-17 14:10yes1026 s
ComparativeGLM 4.7 FlashXzai/glm-4.7-flashx via zai2026-09-17 14:06yes2778 s
ComparativeMiniMax M2.5minimax/minimax-m2.5 via minimax2026-09-17 12:54yes1225 s
Budget constrainedClaude Haiku 4.5claude-haiku-4-5-202510012026-09-17 09:25yes1711 s
Budget constrainedGPT-5.4 minigpt-5.4-mini-2026-03-172026-09-17 11:45yes45 s
Budget constrainedGemini 3.5 Flashgemini-3.5-flash2026-09-17 12:10yes20156 s
Budget constrainedPerplexity Sonarsonar2026-09-17 10:05yes204 s
Budget constrainedGrok 4.1 Fastspacexai/grok-4.1-fast-non-reasoning via vertex2026-09-17 10:41yes3919 s
Budget constrainedMistral Smallmistral/mistral-small via mistral2026-09-17 10:25yes54 s
Budget constrainedDeepSeek V4 Flashdeepseek/deepseek-v4-flash via fireworks2026-09-17 13:10yes1423 s
Budget constrainedLlama 4 Maverickmeta/llama-4-maverick via bedrock2026-09-17 11:24yes53 s
Budget constrainedQwen 3.7 Flashalibaba/qwen3.7-flash via alibaba2026-09-17 13:29yes30100 s
Budget constrainedKimi K2moonshotai/kimi-k2 via novita2026-09-17 10:06yes1059 s
Budget constrainedGLM 4.7 FlashXzai/glm-4.7-flashx via zai2026-09-17 13:51yes24132 s
Budget constrainedMiniMax M2.5minimax/minimax-m2.5 via minimax2026-09-17 10:04yes2263 s
Scale constrainedClaude Haiku 4.5claude-haiku-4-5-202510012026-09-17 10:28yes1713 s
Scale constrainedGPT-5.4 minigpt-5.4-mini-2026-03-172026-09-17 11:45yes99 s
Scale constrainedGemini 3.5 Flashgemini-3.5-flash2026-09-17 10:42no018 s
Scale constrainedPerplexity Sonarsonar2026-09-17 12:43yes207 s
Scale constrainedGrok 4.1 Fastspacexai/grok-4.1-fast-non-reasoning via vertex2026-09-17 11:17yes1311 s
Scale constrainedMistral Smallmistral/mistral-small via mistral2026-09-17 12:55no08 s
Scale constrainedDeepSeek V4 Flashdeepseek/deepseek-v4-flash via fireworks2026-09-17 09:43yes2224 s
Scale constrainedLlama 4 Maverickmeta/llama-4-maverick via bedrock2026-09-17 11:20yes54 s
Scale constrainedQwen 3.7 Flashalibaba/qwen3.7-flash via alibaba2026-09-17 10:53no040 s
Scale constrainedKimi K2moonshotai/kimi-k2 via novita2026-09-17 11:31yes1534 s
Scale constrainedGLM 4.7 FlashXzai/glm-4.7-flashx via zai2026-09-17 11:51no029 s
Scale constrainedMiniMax M2.5minimax/minimax-m2.5 via minimax2026-09-17 10:19yes519 s
Negative framingClaude Haiku 4.5claude-haiku-4-5-202510012026-09-17 11:15yes178 s
Negative framingGPT-5.4 minigpt-5.4-mini-2026-03-172026-09-17 12:59yes36 s
Negative framingGemini 3.5 Flashgemini-3.5-flash2026-09-17 09:41yes2232 s
Negative framingPerplexity Sonarsonar2026-09-17 12:52yes186 s
Negative framingGrok 4.1 Fastspacexai/grok-4.1-fast-non-reasoning via vertex2026-09-17 13:22yes3819 s
Negative framingMistral Smallmistral/mistral-small via mistral2026-09-17 12:19yes55 s
Negative framingDeepSeek V4 Flashdeepseek/deepseek-v4-flash via fireworks2026-09-17 12:47yes2935 s
Negative framingLlama 4 Maverickmeta/llama-4-maverick via bedrock2026-09-17 13:43yes53 s
Negative framingQwen 3.7 Flashalibaba/qwen3.7-flash via alibaba2026-09-17 14:00yes15115 s
Negative framingKimi K2moonshotai/kimi-k2 via novita2026-09-17 11:37yes2253 s
Negative framingGLM 4.7 FlashXzai/glm-4.7-flashx via zai2026-09-17 09:42yes2766 s
Negative framingMiniMax M2.5minimax/minimax-m2.5 via minimax2026-09-17 09:38yes2477 s

Normalization in this category

Every judgment call made between the raw labels and the numbers above, listed so it is visible and reversible.

Category-scoped readings
None. Every name in this category resolved on its own.
Unresolved, counted raw
FeatureHub
Harness Feature Flags / Feature Management
Home-Grown / In-House Solutions
Homegrown" Feature Flag Systems
In-House Solutions
Stigg
Discontinued, still offered
No shut-down product was recommended here.

Also in developer platform

The other categories of this function, with the leader in each.
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