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OpenAI | xAI | Alibaba | Alibaba | |
|---|---|---|---|---|
| Vendor | OpenAI | xAI | Alibaba | Alibaba |
| Family | GPT | Grok | Qwen | Qwen |
| Release date | 2026-04-23 | 2025-07-09 | 2026-05-20 | 2026-04-22 |
| Context window | 400,000 tokens | 256,000 tokens | 1,000,000 tokens | 262,144 tokens |
| Parameters | — | — | — | 27B (dense) |
| Modality | text, vision, audio | text | text | text, vision, video |
| License | proprietary | proprietary | proprietary | Apache-2.0 |
| Source | proprietary | proprietary | proprietary | open weights |
| 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 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. | 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. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | 87.6% | 82.8% | 83.7% | 78.9% |
| GPQA-D | 89.4% | 87.5% | 83.0% | — |
| HumanEval | 96.8% | — | 93.9% | 91.5% |
| Aider | 89.7% | 72.5% | 78.4% | 70.2% |
| AIME-25 | 94.2% | 86.1% | 90.4% | — |
| LiveCB | 78.9% | 65.3% | 71.0% | — |
| MMMU | 78.4% | — | — | 70.3% |
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