# AI coding assistants for enterprise buyers: what AI models recommend, September 2026

IT AI Recommendation Index, September 2026 Edition. Asked as "AI coding assistant" and as "AI pair programming tool", six framings each, to twelve models with search on, on behalf of an enterprise B2B company. Page: https://it-ai-index.com/developer/ai-coding-assistants/enterprise/

**Standing:** GitHub Copilot leads with 95% of first choices; verdict consensus. 37 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| # | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | GitHub Copilot | 95% | 16% | 68 |
| 2 | Amazon Q Developer | 5% | 12% | 40 |
| 3 | Tabnine | 0% | 7% | 44 |
| 4 | Augment Code | 0% | 0% | 16 |
| 5 | Sourcegraph Cody | 0% | 0% | 14 |
| 6 | Gemini Code Assist | 0% | 17% | 12 |
| 7 | Windsurf | 0% | 21% | 14 |
| 8 | Claude Code | 0% | 40% | 25 |
| 9 | Cursor | 0% | 45% | 49 |

## Each model's first choice on the direct prompt

- Claude Haiku 4.5: GitHub Copilot; alternatives Claude, Cursor, Tabnine, Windsurf
- GPT-5.4 mini: GitHub Copilot; alternatives Amazon Q Developer, Gemini Code Assist, OpenAI Codex / ChatGPT Enterprise + Codex
- Gemini 3.5 Flash: GitHub Copilot; alternatives Cursor, Sourcegraph Cody, Tabnine, Windsurf
- Perplexity Sonar: GitHub Copilot; alternatives Amazon Q Developer, Augment Code, Gemini Code Assist, Sourcegraph Cody
- Grok 4.1 Fast: GitHub Copilot; alternatives Amazon Q Developer, Cursor, Tabnine, Windsurf
- Mistral Small: GitHub Copilot; alternatives Claude Code, Cursor
- DeepSeek V4 Flash: GitHub Copilot; alternatives Claude Code, OpenAI Codex
- Llama 4 Maverick: GitHub Copilot; alternatives Claude Code, Cursor, OpenAI Codex
- Qwen 3.7 Flash: GitHub Copilot; alternatives Amazon Q Developer, Cursor, Tabnine
- Kimi K2: GitHub Copilot; alternatives Amazon Q Developer, Tabnine
- GLM 4.7 FlashX: GitHub Copilot; alternatives Amazon Q Developer, Augment Code, Claude Code, Cursor
- MiniMax M2.5: GitHub Copilot; alternatives Augment Code, Claude Code, Cursor

## Sources the answers cite

67 of 72 answers came back with a source list, from 12 of 12 models. Sites named in the most answers:

- augmentcode.com: 39 answers, 84 citations
- axify.io: 23 answers, 23 citations
- agentic.ai: 15 answers, 15 citations
- blog.exceeds.ai: 15 answers, 15 citations
- intuitionlabs.ai: 14 answers, 15 citations
- github.com: 12 answers, 17 citations
- learn.g2.com: 12 answers, 12 citations
- tabnine.com: 11 answers, 22 citations

Pages named in the most answers:

- https://axify.io/blog/the-best-ai-coding-assistants-a-full-comparison-of-20-tools (23 answers)
- https://augmentcode.com/tools/beyond-github-copilot-5-enterprise-ready-ai-coding-assistants (18 answers)
- https://agentic.ai/best/enterprise-coding-agents (15 answers)
- https://augmentcode.com/tools/8-top-ai-coding-assistants-and-their-best-use-cases (12 answers)
- https://learn.g2.com/best-ai-coding-assistants (12 answers)
- https://omidsaffari.com/blog/best-ai-coding-agents-for-enterprise (11 answers)
- https://witness.ai/blog/ai-coding-assistants-security (10 answers)
- https://getdx.com/blog/ai-coding-assistant-pricing (9 answers)
- https://wwt.com/wwt-research/how-to-securely-implement-ai-coding-assistants-across-the-enterprise (9 answers)
- https://docs.github.com/en/copilot/get-started/plans (8 answers)

## Warned against

- Cursor: 22 of 49 labels negative. "Outright Avoid: Consumer/Free Tiers of Major Tools ... the free tier has no contractual zero-retention guarantee" (DeepSeek V4 Flash, negative prompt)
- GitHub Copilot: 11 of 68 labels negative. "interaction data ... will be used to train their AI models by default ... Enterprise action: Ban personal account usage for work code immediately." (DeepSeek V4 Flash, negative prompt)
- Claude Code: 10 of 25 labels negative. "High Caution / Avoid for Sensitive Environments ... Exercise extreme caution; assess geopolitical exposure" (Kimi K2, negative prompt)
- Amazon Q Developer: 5 of 40 labels negative. "avoid cloud-only solutions such as GitHub Copilot, Amazon Q Developer, and Cursor in air-gapped scenarios" (Perplexity Sonar, negative prompt)

## Record

- Method: https://it-ai-index.com/methodology/
- Raw judge labels and full responses: https://it-ai-index.com/data/
- License: CC BY 4.0. Cite as IT AI Recommendation Index, September 2026 Edition, it-ai-index.com.