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 GPT-5.5OpenAI |  Llama 4 ScoutMeta |  DeepSeek-R1DeepSeek |  Claude 4.5 HaikuAnthropic | |
|---|---|---|---|---|
| Vendor | OpenAI | Meta | DeepSeek | Anthropic |
| Family | GPT | Llama | DeepSeek | Claude |
| Release date | 2026-04-23 | 2025-04-05 | 2025-01-20 | 2025-10-01 |
| Context window | 400,000 tokens | 10,000,000 tokens | 128,000 tokens | 200,000 tokens |
| Parameters | — | 109B | 671B | — |
| Modality | text, vision, audio | text, vision | text | text, vision |
| License | proprietary | Llama 4 Community License | MIT | proprietary |
| Source | proprietary | open weights | open weights | proprietary |
| Description | OpenAI's smartest and most intuitive model — successor to GPT-5, with major coding, research, and document workflow gains. GPT-5.5 Pro variant also available for heavier reasoning. | — | Reasoning-focused open-weight model. | Fast, cost-effective Claude model. |
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Gemini 2.5 FlashmaxClaude 4.6 SonnetmaxGPT-5.5✓DeepSeek-V4-Flashmax
Qwen3.6-27BmaxGemini 3 PromaxDeepSeek-V4-PromaxClaude 4.7 OpusmaxClaude 4.5 Haiku✓DeepSeek-V3.1maxGPT-5max
Grok 4maxQwen3 235Bmaxo3maxGPT-4.1maxLlama 4 Scout✓Llama 4 MaverickmaxGemini 2.5 PromaxDeepSeek-R1✓
Mistral Large 2maxMax 4 models. Remove one to add another.