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 GPT-5OpenAI |  Qwen3.6-27BAlibaba |  Grok 4xAI | GPT-5.5 OpenAI | |
|---|---|---|---|---|
| Vendor | OpenAI | Alibaba | xAI | OpenAI |
| Family | GPT | Qwen | Grok | GPT |
| Release date | 2025-08-07 | 2026-04-22 | 2025-07-09 | 2026-04-23 |
| Context window | 400,000 tokens | 262,144 tokens | 256,000 tokens | 400,000 tokens |
| Parameters | — | 27B (dense) | — | — |
| Modality | text, vision, audio | text, vision, video | text | text, vision, audio |
| License | proprietary | Apache-2.0 | proprietary | proprietary |
| Source | proprietary | open weights | proprietary | proprietary |
| Description | OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026. | 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. | — | 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. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | 85.1% | 78.9% | 82.8% | 87.6% |
| GPQA-D | 87.3% | — | 87.5% | 89.4% |
| HumanEval | 95.2% | 91.5% | — | 96.8% |
| Aider | 85.4% | 70.2% | 72.5% | 89.7% |
| AIME-25 | 91.0% | — | 86.1% | 94.2% |
| LiveCB | 74.5% | — | 65.3% | 78.9% |
| MMMU | 74.1% | 70.3% | — | 78.4% |
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Claude 4.8 OpusmaxQwen3.7-Maxmax
Gemini 3.5maxGemini OmnimaxGPT-5.5✓Qwen3.6-27B✓
DeepSeek-V4-FlashmaxDeepSeek-V4-PromaxGemini 3 PromaxClaude 4.7 OpusmaxClaude 4.6 SonnetmaxClaude 4.5 HaikumaxDeepSeek-V3.1maxGPT-5✓Grok 4✓Gemini 2.5 FlashmaxQwen3 235Bmaxo3maxGPT-4.1max
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Mistral Large 2maxMax 4 models. Remove one to add another.