Gemini 2.5 Pro Free API on Google Gemini

Free API Verified

Available from Google Gemini

★★★★★★★★★★ 3.5 Benchmark-backed score

Google's proven reasoning model for coding, math, and multimodal analysis

Free APIOpenAI compatibleReasoningTool callingJSON modePDF inputText

Try in Playground Compare Save API Key

Context window 1.0M

Max output 65K

API format Google Gemini native generateContent + OpenAI Chat Completions

Status Online

AI Recommendation

Should you use Gemini 2.5 Pro?

Gemini 2.5 Pro is listed for chat workloads and supports a 1.0M context window.

Use it when Google Gemini's free tier is enough for evaluation, demos, or light production traffic.

Best for

Chat

Strengths & Weaknesses

Strengths

Long context window
Reasoning mode listed
Tool calling support
Structured JSON output

Watch outs

Free-tier rate limits apply

Benchmark Overview

Benchmark signals for Gemini 2.5 Pro

Measured data

Intelligence General reasoning and instruction following

25.8/100

Coding Programming and code generation

33.3/100

Agentic Tool use and multi-step tasks

7.1/100

Speed Observed generation speed

142 tok/s

Context Maximum listed context window

1.0M

Model Metadata

Gemini 2.5 Pro model ID and technical details

Provider and model catalog

Model ID gemini-2.5-pro

Family gemini-pro

Knowledge cutoff 2025-01

Released Jun 17, 2025

Last updated Jul 7, 2026

Free listing since Jun 5, 2025

Input text, image, audio, video, pdf

Output text

Capabilities reasoning, tool calling, structured output, file attachments, temperature control

External benchmark references

Benchmark	Score	Metric	Date
Aider Polyglot	83.1	percent correct	2025-06-06
Artificial Analysis Coding Index	32	index	2026-06-02
SciCode	42.8	percent correct	2026-06-02
Terminal-Bench Hard	26.5	success rate	2026-06-02

Pricing

Gemini 2.5 Pro pricing per 1M tokens

Free tier listed

Input $1.25 per 1M tokens

Output $10 per 1M tokens

Free access Available Google Gemini

Rate limit 5 RPM, 50 RPD provider policy

Availability

Gemini 2.5 Pro availability by provider

Current provider only

We only found this gemini-2-5-pro listing on Google Gemini in the current catalog. Use the related models section for nearby alternatives.

Provider	Model listing	Access	Context	API	Limits
Google Gemini	Gemini 2.5 Pro	Free tier	1.0M	Native	5 RPM, 50 RPD

View Google Gemini setup guide →

Compare

Gemini 2.5 Pro alternatives to consider

Open comparison

Model	Provider	Context	Access
Gemini 3.5 Flash	Google Gemini	1.0M	Free tier
Gemini 3.1 Flash-Lite	Google Gemini	1.0M	Free tier
Gemini 2.5 Flash	Google Gemini	1.0M	Free tier
Gemini 3 Flash (Preview)	Google Gemini	1.0M	Free tier
Gemma 4 26B A4B IT	Google Gemini	262K	Free tier

Typical Use Cases

Gemini 2.5 Pro use cases

Chat

Gemini 2.5 Pro is tagged for chat in this catalog and works with OpenAI-compatible client libraries.

FAQ

Gemini 2.5 Pro free API FAQ

Is Gemini 2.5 Pro free to use?

Gemini 2.5 Pro is listed with free API access on Google Gemini, subject to the provider's quota and account policy.

What is the Gemini 2.5 Pro model ID?

The model ID shown in this catalog is gemini-2.5-pro.

What are the Gemini 2.5 Pro free tier rate limits on Google Gemini?

The listed free tier limit is 5 RPM, 50 RPD. Limits can change per account tier, so confirm against the provider dashboard.

What context window does Gemini 2.5 Pro support?

The listed context window is 1.0M tokens with up to 65K output tokens.

More about Gemini 2.5 Pro