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 Claude 4.8 OpusAnthropic |  GPT-5OpenAI | GPT-4.1 OpenAI |  DeepSeek-V3.1DeepSeek | |
|---|---|---|---|---|
| Vendor | Anthropic | OpenAI | OpenAI | DeepSeek |
| Family | Claude | GPT | GPT | DeepSeek |
| Release date | 2026-05-28 | 2025-08-07 | 2025-04-14 | 2025-08-21 |
| Context window | 1,000,000 tokens | 400,000 tokens | 1,000,000 tokens | 128,000 tokens |
| Parameters | — | — | — | 671B |
| Modality | text, vision | text, vision, audio | text, vision | text |
| License | proprietary | proprietary | proprietary | MIT |
| 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. | OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026. | — | Large MoE open-weight model. Predecessor to DeepSeek-V4. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | — | 85.1% | — | — |
| GPQA-D | — | 87.3% | — | — |
| HumanEval | — | 95.2% | — | — |
| Aider | — | 85.4% | — | — |
| AIME-25 | — | 91.0% | — | — |
| LiveCB | — | 74.5% | — | — |
| MMMU | — | 74.1% | — | — |
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Claude 4.8 Opus✓
Qwen3.7-Maxmax
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Grok 4maxGemini 2.5 FlashmaxQwen3 235Bmaxo3maxGPT-4.1✓
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 PromaxDeepSeek-R1max
Mistral Large 2maxMax 4 models. Remove one to add another.