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 GPT-5.5OpenAI |  Claude 4.6 SonnetAnthropic |  Qwen3.7-MaxAlibaba | |
|---|---|---|---|
| Vendor | OpenAI | Anthropic | Alibaba |
| Family | GPT | Claude | Qwen |
| Release date | 2026-04-23 | 2026-02-17 | 2026-05-20 |
| Context window | 400,000 tokens | 1,000,000 tokens | 1,000,000 tokens |
| Parameters | — | — | — |
| Modality | text, vision, audio | text, vision | text |
| License | proprietary | proprietary | proprietary |
| Source | proprietary | proprietary | 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. | Anthropic's mid-tier flagship — released 12 days after Opus 4.6 and matching most of its capabilities at ~40% the API cost ($3/$15 per 1M tokens). 1M-token context. | Alibaba's flagship agent model — 1M-token context, extended-thinking mode, 56.6 on the Artificial Analysis Intelligence Index v4.0 (5th overall, #1 Chinese). 50.8% on Terminal-Bench Hard. Designed for long-horizon agent workloads (hundreds-to-thousands of steps). Closed-weight, $2.50/$7.50 per 1M tokens. |
| Links | |||
| Benchmarks | |||
| MMLU-Pro | 87.6% | 85.4% | 83.7% |
| GPQA-D | 89.4% | 85.8% | 83.0% |
| HumanEval | 96.8% | 95.9% | 93.9% |
| Aider | 89.7% | 83.6% | 78.4% |
| AIME-25 | 94.2% | 87.4% | 90.4% |
| LiveCB | 78.9% | 73.8% | 71.0% |
| MMMU | 78.4% | — | — |
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Claude 4.8 Opus+Qwen3.7-Max✓
Gemini 3.5+Gemini Omni+GPT-5.5✓Qwen3.6-27B+
DeepSeek-V4-Flash+DeepSeek-V4-Pro+Gemini 3 Pro+Claude 4.7 Opus+Claude 4.6 Sonnet✓Claude 4.5 Haiku+DeepSeek-V3.1+GPT-5+
Grok 4+Gemini 2.5 Flash+Qwen3 235B+o3+GPT-4.1+
Llama 4 Scout+Llama 4 Maverick+Gemini 2.5 Pro+DeepSeek-R1+
Mistral Large 2+