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 GPT-4.1OpenAI |  Claude 4.8 OpusAnthropic | o3 OpenAI |  Mistral Large 2Mistral | |
|---|---|---|---|---|
| Vendor | OpenAI | Anthropic | OpenAI | Mistral |
| Family | GPT | Claude | o-series | Mistral |
| Release date | 2025-04-14 | 2026-05-28 | 2025-04-16 | 2024-07-24 |
| Context window | 1,000,000 tokens | 1,000,000 tokens | 200,000 tokens | 128,000 tokens |
| Parameters | — | — | — | 123B |
| Modality | text, vision | text, vision | text, vision | text |
| License | proprietary | proprietary | proprietary | Mistral Research License |
| Source | proprietary | proprietary | proprietary | open weights |
| Description | — | 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. | Reasoning-focused model in the o-series. | Large text-only Mistral model with a 128K context window and 123B parameters, tuned for strong instruction following and long-context reasoning. Mistral's flagship open-weights release in the Large 2 line. |
| Links | ||||
| Benchmarks | ||||
| GPQA-D | — | — | 87.7% | — |
| HumanEval | — | — | — | 89.0% |
| AIME-25 | — | — | 88.9% | — |
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Claude 4.8 Opus✓
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