Compare models
Pick up to 4models. Specs render side-by-side. Share the URL — it's stateless.
Comparing agents instead? Switch to agent compare →
 Gemini 2.5 Flash |  o3OpenAI | Gemini 3.5 | Gemini 2.5 Pro | |
|---|---|---|---|---|
| Vendor | OpenAI | |||
| Family | Gemini | o-series | Gemini | Gemini |
| Release date | 2025-06-17 | 2025-04-16 | 2026-05-20 | 2025-03-25 |
| Context window | 1,000,000 tokens | 200,000 tokens | 2,000,000 tokens | 2,000,000 tokens |
| Parameters | — | — | — | — |
| Modality | text, vision, audio | text, vision | text, vision, audio, video | text, vision, audio, video |
| License | proprietary | proprietary | proprietary | proprietary |
| Source | proprietary | proprietary | proprietary | proprietary |
| Description | Google's cost-and-latency-optimized Gemini 2.5 variant. Generally available June 2025 — designed for high-throughput agentic workflows with sub-second first-token latency. | Reasoning-focused model in the o-series. | Google DeepMind's next-gen Gemini — positioned as "frontier intelligence with action". Built for complex agentic workflows. Announced at Google I/O 2026. | Predecessor to Gemini 3 Pro. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | — | — | 88.9% | 84.1% |
| GPQA-D | — | 87.7% | 91.2% | 84.0% |
| AIME-25 | — | 88.9% | 96.1% | — |
| MMMU | — | — | 86.0% | 72.4% |
Add a model
Claude 4.8 Opusmax
Qwen3.7-MaxmaxGemini 3.5✓Gemini OmnimaxGPT-5.5maxQwen3.6-27Bmax
DeepSeek-V4-FlashmaxDeepSeek-V4-PromaxGemini 3 PromaxClaude 4.7 OpusmaxClaude 4.6 SonnetmaxClaude 4.5 HaikumaxDeepSeek-V3.1maxGPT-5max
Grok 4maxGemini 2.5 Flash✓Qwen3 235Bmaxo3✓GPT-4.1max
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 Pro✓DeepSeek-R1max
Mistral Large 2maxMax 4 models. Remove one to add another.