# Telnyx vs Bandwidth: which do AI models recommend for cpaas, October 2026

IT AI Recommendation Index, October 2026 Edition, Communications APIs. One of fourteen models named Telnyx first on the direct prompt; zero named Bandwidth. Page: https://it-ai-index.com/developer/communications-apis/telnyx-vs-bandwidth/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Telnyx | 24% | #2 of 8 | 2% | 42 | 12 of 14 |
| Bandwidth | 2% | #5 of 8 | 0% | 25 | 12 of 14 |

## The direct prompt, model by model

- Qwen 3.7 Flash: telnyx first (first choices: Telnyx) (alternatives: Sinch, Vonage Communications APIs)
- GPT-5.4 mini: neither first, one named (first choices: Twilio) (alternatives: Bandwidth, Vonage Communications APIs)
- Gemini 3.5 Flash: neither first, one named (first choices: Vonage Communications APIs) (alternatives: Plivo, Telnyx)
- Grok 4.1 Fast: neither first, one named (first choices: Twilio) (alternatives: Plivo, Telnyx, Vonage Communications APIs)
- DeepSeek V4 Flash: neither first, one named (first choices: Twilio) (alternatives: Brevo, Plivo, Sinch, Telnyx, Vonage Communications APIs)
- GLM 4.7 FlashX: neither first, one named (first choices: Twilio) (alternatives: Bandwidth, Plivo, Sendbird, Sinch)
- GPT-6 Luna: neither first, one named (first choices: Twilio) (alternatives: Sinch, Telnyx)
- Claude Haiku 4.5: neither named
- Perplexity Sonar: neither named (first choices: Twilio) (alternatives: Infobip, Kaleyra, Sendbird, Sinch, Vonage Communications APIs)
- Mistral Small: neither named (first choices: Plivo, Twilio) (alternatives: Infobip, MessageBird)
- Llama 4 Maverick: neither named
- Kimi K2: neither named (first choices: Twilio) (alternatives: Sendbird, Sinch, Vonage Communications APIs)
- MiniMax M2.5: neither named (first choices: Sendbird, Vonage Communications APIs) (alternatives: Infobip, Sinch, Twilio)
- Muse Glimmer 30B: neither named (first choices: Vonage Communications APIs, formerly Nexmo) (alternatives: Dotdigital, Sendbird Business Messaging, Sinch, Twilio)

## What the models said about Telnyx

- "Telnyx — Limited User Data" (GLM 4.7 FlashX, negative prompt, soft negative)
- "Telnyx: The Overall Cheapest for SMS & Voice APIs ... is the industry standard for budget-friendliness" (Gemini 3.5 Flash, budget prompt, first choice)
- "Telnyx is currently gaining the most traction because it solves the "Bill Shock" problem" (Qwen 3.7 Flash, direct prompt, first choice)
- "Telnyx - Cheapest Per-Message Pricing ... Lowest published per-message cost" (GLM 4.7 FlashX, budget prompt, first choice)

## What the models said about Bandwidth

- "look at platforms like Bandwidth or Telnyx. Because they own the physical networks, their pricing is drastically lower" (Gemini 3.5 Flash, negative prompt, first choice)
- "If you want the lowest predictable spend, start with Bandwidth." (Perplexity Sonar, budget prompt, first choice)
- "Safer Bets: Bandwidth (top US SLA 99.996%, owned network)" (Grok 4.1 Fast, negative prompt, first choice)

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category. Comparisons are drawn for the top eight products in each category. Published under CC BY 4.0; the output is the models' output, and nothing here is a recommendation by the index.