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Pick up to 4models. Specs render side-by-side. Share the URL — it's stateless.
 DeepSeek-V3.1DeepSeek |  GPT-4.1OpenAI |  Claude 4.5 HaikuAnthropic | o3 OpenAI | |
|---|---|---|---|---|
| Vendor | DeepSeek | OpenAI | Anthropic | OpenAI |
| Family | DeepSeek | GPT | Claude | o-series |
| Release date | 2025-08-21 | 2025-04-14 | 2025-10-01 | 2025-04-16 |
| Context window | 128,000 tokens | 1,000,000 tokens | 200,000 tokens | 200,000 tokens |
| Parameters | 671B | — | — | — |
| Modality | text | text, vision | text, vision | text, vision |
| License | MIT | proprietary | proprietary | proprietary |
| Source | open weights | proprietary | proprietary | proprietary |
| Description | Large MoE open-weight model. Predecessor to DeepSeek-V4. | — | Fast, cost-effective Claude model. | Reasoning-focused model in the o-series. |
| Links |
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Gemini 2.5 FlashmaxClaude 4.6 SonnetmaxGPT-5.5maxDeepSeek-V4-Flashmax
Qwen3.6-27BmaxGemini 3 PromaxDeepSeek-V4-PromaxClaude 4.7 OpusmaxClaude 4.5 Haiku✓DeepSeek-V3.1✓GPT-5max
Grok 4maxQwen3 235Bmaxo3✓GPT-4.1✓
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 PromaxDeepSeek-R1max
Mistral Large 2maxMax 4 models. Remove one to add another.