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xAI | Alibaba | Anthropic | Alibaba | |
|---|---|---|---|---|
| Vendor | xAI | Alibaba | Anthropic | Alibaba |
| Family | Grok | Qwen | Claude | Qwen |
| Release date | 2025-07-09 | 2026-05-20 | 2026-02-17 | 2025-04-29 |
| Context window | 256,000 tokens | 1,000,000 tokens | 1,000,000 tokens | 128,000 tokens |
| Parameters | — | — | — | 235B |
| Modality | text | text | text, vision | text |
| License | proprietary | proprietary | proprietary | Apache-2.0 |
| Source | proprietary | proprietary | proprietary | open weights |
| Description | — | 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. | 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. | Predecessor to the Qwen3.6 family. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | 82.8% | 83.7% | 85.4% | — |
| GPQA-D | 87.5% | 83.0% | 85.8% | — |
| HumanEval | — | 93.9% | 95.9% | — |
| Aider | 72.5% | 78.4% | 83.6% | — |
| AIME-25 | 86.1% | 90.4% | 87.4% | — |
| LiveCB | 65.3% | 71.0% | 73.8% | — |
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