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 Claude 4.7 OpusAnthropic | Claude 4.8 Opus Anthropic |  GPT-4.1OpenAI | |
|---|---|---|---|
| Vendor | Anthropic | Anthropic | OpenAI |
| Family | Claude | Claude | GPT |
| Release date | 2026-04-16 | 2026-05-28 | 2025-04-14 |
| Context window | 1,000,000 tokens | 1,000,000 tokens | 1,000,000 tokens |
| Parameters | — | — | — |
| Modality | text, vision | text, vision | text, vision |
| License | proprietary | proprietary | proprietary |
| Source | proprietary | proprietary | proprietary |
| Description | Anthropic's previous Opus flagship — superseded by Opus 4.8 on May 28, 2026 (42-day cycle). Optimized for complex reasoning and coding. Improved software engineering, long-running coding tasks, and higher-resolution vision over Claude 4.6. | 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 | 88.2% | — | — |
| GPQA-D | 90.1% | — | — |
| HumanEval | 97.4% | — | — |
| Aider | 91.2% | — | — |
| AIME-25 | 93.5% | — | — |
| LiveCB | 80.2% | — | — |
| MMMU | 79.0% | — | — |
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Claude 4.8 Opus✓
Qwen3.7-Max+
Gemini 3.5+Gemini Omni+GPT-5.5+Qwen3.6-27B+
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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+