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 Claude 4.5 HaikuAnthropic |  Gemini 3.5 Flash |  GPT-5 ProOpenAI | o3 OpenAI | |
|---|---|---|---|---|
| Vendor | Anthropic | OpenAI | OpenAI | |
| Family | Claude | Gemini | GPT | o-series |
| Release date | 2025-10-01 | 2026-05-20 | 2025-08-07 | 2025-04-16 |
| Context window | 200,000 tokens | — | 400,000 tokens | 200,000 tokens |
| Parameters | — | — | — | — |
| Modality | text, vision | text, vision, audio | text, vision, audio | text, vision |
| License | proprietary | proprietary | proprietary | proprietary |
| Source | proprietary | proprietary | proprietary | proprietary |
| Description | Fast, cost-effective Claude model. | Fast, low-cost tier of the Gemini 3.5 family announced at Google I/O 2026. June 2026 update added native computer-use capability, moving Flash from generation to agentic task execution. | Higher-reasoning variant of GPT-5, used for harder scientific and research tasks (e.g., immunology breakthroughs at NIH). Same 400K context as GPT-5; trades latency for depth. | Reasoning-focused model in the o-series. |
| Links | ||||
| Benchmarks | ||||
| GPQA-D | — | — | — | 87.7% |
| AIME-25 | — | — | — | 88.9% |
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GPT-5.6 SolmaxClaude 4.8 Opusmax
Qwen3.7-MaxmaxGemini 3.5 Flash✓Gemini 3.5maxGemini OmnimaxGPT-5.5max
DeepSeek-V4-FlashmaxGemini 3 PromaxDeepSeek-V4-PromaxQwen3.6-27BmaxClaude 4.7 OpusmaxClaude 4.6 SonnetmaxClaude 4.5 Haiku✓DeepSeek-V3.1maxGPT-5 Pro✓GPT-5max
Grok 4maxGemini 2.5 FlashmaxQwen3 235Bmaxo3✓GPT-4.1max
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 PromaxDeepSeek-R1max
Mistral Large 2maxMax 4 models. Remove one to add another.