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Gemini 2.5 Pro

Gemini 2.5 Pro is an AI model made by Google. It takes text, image, audio, video and returns text. Its context window is 1,048,576 tokens.

Google

Gemini 2.5 Pro is an AI model made by Google. It takes text, image, audio, video and returns text. Its context window is 1,048,576 tokens. Its longest answer is 65,536 tokens. Through the API it costs $1.25 per 1M tokens for input and $10.00 per 1M tokens for output. Its knowledge cutoff is January 2025.

Released
Not confirmed: two readings disagree: 2025-03-25 and 2025-06-17
Status
Not confirmed: two readings disagree: ga and retired
Takes
Text, Image, Audio, Video — ai.google.dev, read 16 October 2026
Returns
Text — ai.google.dev, read 16 October 2026
Open weights
Not confirmed: The maker’s pages consulted do not state whether Gemini 2.5 Pro’s weights are open or downloadable.
Licence
Not confirmed: The maker’s pages consulted do not name a licence for Gemini 2.5 Pro.
Context window
1,048,576 tokens — ai.google.dev, read 16 October 2026
Longest answer
65,536 tokens — ai.google.dev, read 16 October 2026
Knowledge cutoff
January 2025 — ai.google.dev, read 16 October 2026
API price, input
$1.25 per 1M tokens — ai.google.dev, read 16 October 2026
API price, output
$10.00 per 1M tokens — ai.google.dev, read 16 October 2026
Where
Not confirmed: two readings disagree: api and api, app
Parameters
Not confirmed: The maker’s pages consulted do not publish a parameter count for Gemini 2.5 Pro.
Model card
https://storage.googleapis.com/deepmind-media/Model-Cards/Gemini-2-5-Pro-Model-Card.pdf — storage.googleapis.com, read 16 October 2026

Benchmarks

Measured by others, not by the maker: each score with the name the measurer gives the model and the setting it ran, its day and its licence.

Arena

Arena’s leaderboard dataset (lmarena-ai/leaderboard-dataset on Hugging Face), CC BY 4.0: ratings from people’s votes between two anonymous models, as Arena publishes them. Data · CC BY 4.0

Epoch AI

Epoch AI, ‘Capabilities & benchmarking’, epoch.ai/benchmarks, CC BY 4.0: Epoch AI’s own runs and its Capabilities Index. Data · CC BY 4.0

Questions

What is the context window of Gemini 2.5 Pro?

The context window of Gemini 2.5 Pro is 1,048,576 tokens, as Google prints it.

How much does the Gemini 2.5 Pro API cost?

On the standard tier, Gemini 2.5 Pro costs $1.25 per 1M tokens for input and $10.00 per 1M tokens for output, as Google lists it.

What does Gemini 2.5 Pro take and return?

Gemini 2.5 Pro takes text, image, audio, video and returns text.

What is the knowledge cutoff of Gemini 2.5 Pro?

The knowledge cutoff of Gemini 2.5 Pro is January 2025.

More from Google

Sources

  1. Gemini 2.5 Pro | Gemini API | Google AI for Developers (read 16 October 2026)
  2. Gemini Developer API pricing | Gemini API | Google AI for Developers (read 16 October 2026)
  3. Gemini deprecations | Gemini API | Google AI for Developers (read 16 October 2026)
  4. Release notes | Gemini API | Google AI for Developers (read 16 October 2026)
  5. Gemini 2.5 Pro - Model Card (read 16 October 2026)
  6. Gemini 2.5: Our most intelligent AI model (read 16 October 2026)
  7. Gemini 2.5 Pro | Gemini Enterprise Agent Platform | Google Cloud Documentation (read 16 October 2026)

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