Compare models
Pick up to 4models. Specs render side-by-side. Share the URL — it's stateless.
Comparing agents instead? Switch to agent compare →
 GPT-5 ProOpenAI |  DeepSeek-V3.1DeepSeek | GPT-4.1 OpenAI | DeepSeek-V4-Flash DeepSeek | |
|---|---|---|---|---|
| Vendor | OpenAI | DeepSeek | OpenAI | DeepSeek |
| Family | GPT | DeepSeek | GPT | DeepSeek |
| Release date | 2025-08-07 | 2025-08-21 | 2025-04-14 | 2026-04-22 |
| Context window | 400,000 tokens | 128,000 tokens | 1,000,000 tokens | 1,000,000 tokens |
| Parameters | — | 671B | — | 284B (13B active) |
| Modality | text, vision, audio | text | text, vision | text |
| License | proprietary | MIT | proprietary | MIT |
| Source | proprietary | open weights | proprietary | open weights |
| Description | 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. | 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. |
| Links |
Add a model
GPT-5.6 Solmax
Claude 4.8 Opusmax
Qwen3.7-Maxmax
Gemini 3.5 FlashmaxGemini 3.5maxGemini OmnimaxGPT-5.5maxDeepSeek-V4-Flash✓Gemini 3 PromaxDeepSeek-V4-PromaxQwen3.6-27BmaxClaude 4.7 OpusmaxClaude 4.6 SonnetmaxClaude 4.5 HaikumaxDeepSeek-V3.1✓GPT-5 Pro✓GPT-5max
Grok 4maxGemini 2.5 FlashmaxQwen3 235Bmaxo3maxGPT-4.1✓
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 PromaxDeepSeek-R1max
Mistral Large 2maxMax 4 models. Remove one to add another.