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Alibaba | OpenAI | xAI | Anthropic | |
|---|---|---|---|---|
| Vendor | Alibaba | OpenAI | xAI | Anthropic |
| Family | Qwen | GPT | Grok | Claude |
| Release date | 2026-05-20 | 2025-08-07 | 2025-07-09 | 2026-05-28 |
| Context window | 1,000,000 tokens | 400,000 tokens | 256,000 tokens | 1,000,000 tokens |
| Parameters | — | — | — | — |
| Modality | text | text, vision, audio | text | text, vision |
| License | proprietary | proprietary | proprietary | proprietary |
| Source | proprietary | proprietary | proprietary | proprietary |
| 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. | OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026. | — | Anthropic's flagship hybrid-reasoning model — Opus 4.8 pushes coding and AI-agent workflows further (agentic coding 69.2% vs 64.3% on 4.7; multidisciplinary reasoning 57.9% vs 54.7%). 1M-token context, $5/$25 per MTok pricing held flat from Opus 4.7. Introduces Dynamic Workflows for Claude Code (research preview). GA on Anthropic API (`claude-opus-4-8`), AWS Bedrock, Google Vertex, Microsoft Foundry, and GitHub Copilot. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | 83.7% | 85.1% | 82.8% | — |
| GPQA-D | 83.0% | 87.3% | 87.5% | — |
| HumanEval | 93.9% | 95.2% | — | — |
| Aider | 78.4% | 85.4% | 72.5% | — |
| AIME-25 | 90.4% | 91.0% | 86.1% | — |
| LiveCB | 71.0% | 74.5% | 65.3% | — |
| MMMU | — | 74.1% | — | — |
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