Gemini 2.5 Pro API pricing
Standard tier, blended at 3:1 input to output: $3.44 per million tokens.
Google AI charges $1.25 per million input tokens and $10.00 per million output tokens for Gemini 2.5 Pro. It is sold in 3 forms, from $3.44 to $3.44 blended; the table below shows what each costs against standard. 2 of the models nearest it in price are cheaper on a blended basis.
Every tier of Gemini 2.5 Pro
Blended at 3:1 input to output. The last column compares each against the standard tier.
| Source | ||||||||
|---|---|---|---|---|---|---|---|---|
| Standard Standard | gemini-2.5-pro | Google AI | $1.25 | $10.00 | $0.125 | $3.44 | Standard | ↗ |
| Standard | gemini-2.5-pro | OpenRouter | $1.25 | $10.00 | $0.125 | $3.44 | Same | ↗ |
| Preview | gemini-2.5-pro-preview | OpenRouter | $1.25 | $10.00 | $0.125 | $3.44 | Same | ↗ |
Prices last checked: . Methodology
Which tier to use
What each costs against standard in our data, and the job it is for.
Preview and beta
gemini-2.5-pro-preview is a pre-release build, listed at the same price as standard. They can change behaviour or be withdrawn at short notice, so they suit trials rather than production.
Direct or through a reseller
Through OpenRouter, gemini-2.5-pro is the same price as buying direct. A reseller is worth it for one bill across vendors and automatic fallback; buy direct for the vendor's own batch, caching and rate-limit terms.
Against the models nearest in price
Standard tiers, blended at a 3:1 input to output ratio.
| Source | ||||||
|---|---|---|---|---|---|---|
| Gemini 2.5 Pro This model | Google AI | $1.25 | $10.00 | 1,048,576 | $3.44 | ↗ |
| GPT-5.1 | OpenAI | $1.25 | $10.00 | 272,000 | $3.44 | ↗ |
| GPT-5 | OpenAI | $1.25 | $10.00 | 272,000 | $3.44 | ↗ |
| GPT-5.1 Codex | OpenRouter | $1.25 | $10.00 | 400,000 | $3.44 | ↗ |
| GPT-4.1 | OpenAI | $2.00 | $8.00 | 1,047,576 | $3.50 | ↗ |
| o3 | OpenAI | $2.00 | $8.00 | 200,000 | $3.50 | ↗ |
| Llama 3.1 405B Instruct | Together AI | $3.50 | $3.50 | 4,096 | $3.50 | ↗ |
| Mistral Large | OpenRouter | $2.00 | $6.00 | 128,000 | $3.00 | ↗ |
| Grok 4.5 | xAI | $2.00 | $6.00 | 500,000 | $3.00 | ↗ |
Prices last checked: . Methodology
Questions
How much does Gemini 2.5 Pro cost per million tokens?
$1.25 per million input tokens and $10.00 per million output tokens, with cached input at $0.125. At a 3:1 input to output mix that blends to $3.44. Checked 28 Oct 2026.
What would Gemini 2.5 Pro cost for a real workload?
A thousand requests a day at 2,000 input and 600 output tokens each comes to $255.00 a month on the standard tier.
What is the context window for Gemini 2.5 Pro?
1,048,576 tokens of input, with up to 65,535 tokens of output.
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