Compare models
Pick up to 4models. Specs render side-by-side. Share the URL — it's stateless.
Comparing agents instead? Switch to agent compare →
DeepSeek | OpenAI | Anthropic | |
|---|---|---|---|
| Vendor | DeepSeek | OpenAI | Anthropic |
| Family | DeepSeek | o-series | Claude |
| Release date | 2025-08-21 | 2025-04-16 | 2026-05-28 |
| Context window | 128,000 tokens | 200,000 tokens | 1,000,000 tokens |
| Parameters | 671B | — | — |
| Modality | text | text, vision | text, vision |
| License | MIT | proprietary | proprietary |
| Source | open weights | proprietary | proprietary |
| Description | Large MoE open-weight model. Predecessor to DeepSeek-V4. | Reasoning-focused model in the o-series. | 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 | |||
| GPQA-D | — | 87.7% | — |
| AIME-25 | — | 88.9% | — |