Google · Google (Gemini / Gemma / Imagen / Veo)
Gemini 2.5 Pro
ActiveProven-stable reasoning model with thinking/Deep Think; 1M context. Tiered pricing: prompts >200K tokens billed at the higher input rate.
About this version
Gemini 2.5 Pro is an active, reasoning‑focused model in Google’s Gemini family released in March 2025 with a knowledge cutoff of January 2025. It offers a one‑million‑token context window and incorporates the “Deep Think” capability for more stable, extensive reasoning, while employing tiered pricing that charges higher rates for prompts exceeding 200 K tokens.
- API string
- gemini-2.5-pro
- Context window
- 1M ctx
- Knowledge cutoff
- Jan 1, 2025
- Tier
- Reasoning
- Released
- Mar 1, 2025
Release & change timeline
1 event- Release
Gemini 2.5 Pro released
Introduced visible thinking/extended reasoning; 1M context; strong math and coding.
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