Gemini 2.5 Flash API pricing
Google model
Short answer
Gemini 2.5 Flash by Google costs $0.30 per 1M input tokens and $2.50 per 1M output tokens, with a 1M token context window. It scores 2.5% on ARC-AGI-2. GPT-5 nano scores about as well on ARC-AGI-2 (2.6%) for $0.14 per 1M blended tokens versus $0.85.
Prices updated Oct 23, 2026 (APIpulse, CC BY 4.0) · Benchmarks: ARC Prize, Vals.ai · all models
API cost calculator
Enter your monthly usage in millions of tokens (1M tokens ≈ 750,000 words).
Standard rates; batch processing and prompt caching can lower the bill.
Benchmarks
Cheaper models with similar scores
Within 3 points on the same benchmark, at a lower blended price.
- GPT-5 nanoARC-AGI-2 2.6% · $0.14 / 1M
- GPT-6 LunaARC-AGI-2 59.3% · $0.20 / 1M
- Claude Haiku 5.5ARC-AGI-2 61.3% · $0.20 / 1M
Other Google models
| Model | Input / 1M | Output / 1M |
|---|---|---|
| Gemini 4 Argon | $2 | $10 |
| Gemini 3.8 Flash | $0.75 | $3.75 |
| Gemini 3.6 Flash | $0.75 | $3.75 |
| Gemini 3.5 Transcribe Live | $3.50 | $21 |
| Gemini 3.5 Transcribe | $2 | $12 |
| Gemini 3.5 Flash-Lite | $0.30 | $2.50 |
| Gemini 3.1 Pro | $2 | $12 |
| Gemini 3.1 Flash-Lite | $0.25 | $1.50 |
Frequently asked questions
How much does the Gemini 2.5 Flash API cost?
Gemini 2.5 Flash costs $0.30 per 1M input tokens and $2.50 per 1M output tokens. A workload of 10M input and 2M output tokens a month costs $8.
What is the context window of Gemini 2.5 Flash?
Gemini 2.5 Flash supports a 1M token context window.
Is there a cheaper alternative to Gemini 2.5 Flash?
GPT-5 nano scores 2.6% on ARC-AGI-2, close to Gemini 2.5 Flash, at $0.14 per 1M blended tokens versus $0.85.