Gemini 2.5 Pro
First released as experimental 2025-03; GA 2025-06-17 (stable id; earlier preview ids e.g. gemini-2.5-pro-preview-*). No shutdown date, but Gemini API access is limited to projects that used it before; Google recommends 3.5 Flash-Lite or 3.8 Flash for new projects.
- Context window
- 1,048,576 tokens
- Max output
- 65,536 tokens
- Knowledge cutoff
- 2025-01
- Input
- text, image, audio, video, pdf
- Output
- text
- License
- proprietary
- Pricing
- input: $1.25 · output: $10 (per 1M tokens (Standard, prompts <=200k; >200k: $2.50 in / $15.00 out)) source
- Verified
- 2026-09-29
How to call it
| Provider | Model id | Endpoint / URL | Docs |
|---|---|---|---|
| Gemini API | gemini-2.5-pro | https://generativelanguage.googleapis.com/v1beta/models/gemini-2.5-pro:generateContent | docs |
| Google Cloud Gemini Enterprise Agent Platform (Vertex AI) | gemini-2.5-pro | — | docs |
| OpenRouter | google/gemini-2.5-pro | — | — |
Notable capabilities (3)
- Thinking model with 1M context: Built-in thinking plus 1,048,576-token multimodal input and 65K output; Search/Maps grounding, code execution, URL context. source
- Debuted: First Gemini 2.5 'thinking model'; the March 2025 experimental release topped LMArena by a significant margin and led coding/math/science benchmarks. source
- Coding-agent backbone (found after launch): Steepest demand growth of any Google model; powered tools such as Cursor and GitHub Copilot at GA. source
Former flagship reasoning model (2025). Keep only for existing workloads.
curl "https://generativelanguage.googleapis.com/v1beta/models/gemini-2.5-pro:generateContent" \
-H "x-goog-api-key: $GEMINI_API_KEY" -H "Content-Type: application/json" \
-d '{"contents":[{"parts":[{"text":"Hello"}]}]}'
Sources: model page, pricing, deprecations.
Other Google DeepMind models
Gemini 3.8 Flash TTS · Gemini 3.8 Live · Gemini 3.8 Flash · Gemini 3.5 Transcribe (and Transcribe Live) · Lyria 3.5 · Gemini 3.5 Flash-Lite · Nano Banana 2 Lite (Gemini 3.1 Flash-Lite Image) · Gemini Omni Flash (Omni 1.1 Flash) · Gemini Embedding 2 · Gemma 4 · Nano Banana 2 (Gemini 3.1 Flash Image) · Nano Banana Pro (Gemini 3 Pro Image) · Gemini Robotics 2 · Gemini Robotics ER 2 · Gemini Robotics On-Device 2 · Gemini 3.5 Live Translate · Gemini 3.1 Pro · Veo 3.1 · Genie 3 · Lyria RealTime · Gemini 3.7 Flash · Gemini 3.6 Flash · Gemini 3.5 Flash · Gemini 3.1 Flash TTS (preview) · Gemini 3.1 Flash Live (preview) · Lyria 3 (Clip / Pro) · Lyria 2 · Gemini 2.5 Flash Native Audio (Live, preview) · Gemini 2.5 Flash-Lite · Gemini 2.5 Flash · Gemini 2.5 Flash TTS / Pro TTS · Gemini 3.1 Flash-Lite · Nano Banana (Gemini 2.5 Flash Image) · Gemini Robotics-ER 1.5 / 1.6 · Imagen 4