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Pick up to 4models. Specs render side-by-side. Share the URL — it's stateless.
 DeepSeek-V3.1DeepSeek | DeepSeek-V4-Flash DeepSeek |  Claude 4.5 HaikuAnthropic |  Grok 4xAI | |
|---|---|---|---|---|
| Vendor | DeepSeek | DeepSeek | Anthropic | xAI |
| Family | DeepSeek | DeepSeek | Claude | Grok |
| Release date | 2025-08-21 | 2026-04-22 | 2025-10-01 | 2025-07-09 |
| Context window | 128,000 tokens | 1,000,000 tokens | 200,000 tokens | 256,000 tokens |
| Parameters | 671B | 284B (13B active) | — | — |
| Modality | text | text | text, vision | text |
| License | MIT | MIT | proprietary | proprietary |
| Source | open weights | open weights | proprietary | proprietary |
| Description | Large MoE open-weight model. Predecessor to DeepSeek-V4. | Smaller, faster sibling to DeepSeek-V4-Pro. Same 1M context window with a much lighter 284B / 13B-active MoE. | Fast, cost-effective Claude model. | — |
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Gemini 2.5 FlashmaxClaude 4.6 Sonnetmax
GPT-5.5maxDeepSeek-V4-Flash✓
Qwen3.6-27BmaxGemini 3 PromaxDeepSeek-V4-PromaxClaude 4.7 OpusmaxClaude 4.5 Haiku✓DeepSeek-V3.1✓GPT-5maxGrok 4✓Qwen3 235Bmaxo3maxGPT-4.1max
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 PromaxDeepSeek-R1max
Mistral Large 2maxMax 4 models. Remove one to add another.