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 GPT-5.5OpenAI |  Grok 4xAI |  Qwen3.6-27BAlibaba |  Gemini 2.5 Flash | |
|---|---|---|---|---|
| Vendor | OpenAI | xAI | Alibaba | |
| Family | GPT | Grok | Qwen | Gemini |
| Release date | 2026-04-23 | 2025-07-09 | 2026-04-22 | — |
| Context window | 400,000 tokens | 256,000 tokens | 262,144 tokens | 1,000,000 tokens |
| Parameters | — | — | 27B (dense) | — |
| Modality | text, vision, audio | text | text, vision, video | text, vision, audio |
| License | proprietary | proprietary | Apache-2.0 | proprietary |
| Source | proprietary | proprietary | open weights | proprietary |
| Description | OpenAI's smartest and most intuitive model — successor to GPT-5, with major coding, research, and document workflow gains. GPT-5.5 Pro variant also available for heavier reasoning. | — | Alibaba's first dense open-weight in the 3.6 family. Strong agentic-coding scores (77.2 SWE-bench Verified, matching Claude 4.5 Opus on Terminal-Bench 2.0). Supports 201 languages and multimodal text/image/video input. | — |
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Gemini 2.5 Flash✓
Claude 4.6 SonnetmaxGPT-5.5✓
DeepSeek-V4-FlashmaxQwen3.6-27B✓Gemini 3 PromaxDeepSeek-V4-PromaxClaude 4.7 OpusmaxClaude 4.5 HaikumaxDeepSeek-V3.1maxGPT-5maxGrok 4✓Qwen3 235Bmaxo3maxGPT-4.1max
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 PromaxDeepSeek-R1max
Mistral Large 2maxMax 4 models. Remove one to add another.