One agent session
1M input tokens and 100K output tokens, no caching.
- Input1M x $0.10 = $0.10
- Output0.1M x $0.40 = $0.04
$0.14per session
Google - Closed weights
Gemini 2.5 Flash-Lite pricing and specs
Gemini 2.5 Flash-Lite is a closed-weights model from Google that costs $0.10 per 1M input tokens and $0.40 per 1M output tokens on the first-party API, with a 1.05M-token context window.
Last verified from ai.google.dev. All sources
- Input / 1M
- $0.10
- Output / 1M
- $0.40
- Context
- 1.05M tokens
- Weights
- Closed
Pricing per 1M tokens
| Item | Price / 1M tokens |
|---|---|
| Input | $0.10 |
| Output | $0.40 |
| Cache read | $0.01 |
| Batch inputBatch requests | $0.05 |
| Batch outputBatch requests | $0.20 |
Note: Previous-generation model still sold and priced. Input and cached-input prices are for text / image / video; audio input is $0.30 (cached $0.03), Batch audio input $0.15. Context caching storage is $1.00 per 1M tokens per hour rather than a per-write fee, so cache write is not stated; Batch cached input is the same as Standard. Output price includes thinking tokens. Free tier available. Flex equals Batch; Priority is $0.18 / $0.72 / $0.018 cached. release date is the stable gemini-2.5-flash-lite release in the Gemini API changelog (July 22, 2025).
Specs
- Context window
- 1,048,576 tokens
- Max output
- 65,536 tokens
- Release date
- Provider
- API model id
gemini-2.5-flash-lite- Vercel AI Gateway id
google/gemini-2.5-flash-lite- Weights
- Closed weights
What Gemini 2.5 Flash-Lite costs in practice
Worked from the standard list rates above, with the math shown so you can swap in your own token counts.
A chat app
10,000 requests a day at 2K input and 500 output tokens each.
- Input20M x $0.10 = $2.00
- Output5M x $0.40 = $2.00
$4.00per day
$120.00 per 30-day month
The same session at a 90% cache hit
90% of the input is read from the prompt cache. The one-time cache write premium is not included.
- Cached input0.9M x $0.01 = $0.009
- Uncached input0.1M x $0.10 = $0.01
- Output0.1M x $0.40 = $0.04
$0.059per session
Compare with
| Model | Input / 1M | Output / 1M |
|---|---|---|
| Gemini 2.5 Flash-Lite (this page) | $0.10 | $0.40 |
| GLM-4.7-FlashXZ.ai | $0.07 | $0.40 |
| GPT-4.1 nanoOpenAI | $0.10 | $0.40 |
| GPT-5 nanoOpenAI | $0.05 | $0.40 |
| Jamba2 MiniAI21 Labs | $0.20 | $0.40 |
| Gemini 3.1 Flash-LiteGoogle | $0.25 | $1.50 |
| Gemini 2.5 FlashGoogle | $0.30 | $2.50 |
| Gemini 3.5 Flash-LiteGoogle | $0.30 | $2.50 |
| Gemini 3 Flash PreviewGoogle | $0.50 | $3 |
| Gemini 3.6 FlashGoogle | $0.75 | $3.75 |
| Gemini 3.8 FlashGoogle | $0.75 | $3.75 |
Related reading
- Do Your Agent Hooks Fail Open? Claude Code vs Codex vs Cursor vs Gemini CLIA guard hook that crashes, times out or points at a missing script lets the tool call through by default in Claude Code. v2.1.295 adds onFailure: block. Here is what each coding agent does when your policy hook breaks, with real test runs.
- EmbeddingGemma 2 Guide: Local Multimodal Embeddings for CodeEmbeddingGemma 2 is a 740M open model that embeds code, images, video and audio in one space. Specs, Matryoshka storage math, and where it breaks.
- Google AI Pro vs Gemini API: What Developers Actually GetGoogle AI Pro costs $19.99 a month and has no API key, but includes $10 of monthly Cloud credits. When the subscription wins and when to pay per token.
- How to Keep API Keys Away From Your AI Coding Agent: Claude Code vs Codex vs Cursor vs Gemini CLIA deny rule on .env stops cat but not a Python one-liner. Here are the three layers that actually keep secrets out of a coding agent's context - file rules, environment scrubbing and credential masking - and what Claude Code, Codex, Cursor and Gemini CLI give you for each, with real test runs.
- Google Gemini Agent: Coworker Agents With Their Own EmailGoogle's Gemini agent can create coworker agents with their own Workspace account, email and audit trail. What Google announced and what builders should copy.
- Gemini 4 Argon: What Developers Can Actually UseGemini 4 Argon for developers: what Google shipped, what is verified, why access starts narrow, and what to watch before planning a migration around it.
FAQ
How much does Gemini 2.5 Flash-Lite cost per million tokens?
Gemini 2.5 Flash-Lite costs $0.10 per 1M input tokens and $0.40 per 1M output tokens on Google's first-party API, per ai.google.dev on October 17, 2026. Per 1M tokens, cache reads cost $0.01, and the batch rate is $0.05 input and $0.20 output.
What is Gemini 2.5 Flash-Lite's context window?
Gemini 2.5 Flash-Lite has a 1,048,576-token context window and returns up to 65,536 output tokens per response.
Are Gemini 2.5 Flash-Lite's weights open?
No. Gemini 2.5 Flash-Lite is a closed-weights model. You call it through Google's API as gemini-2.5-flash-lite or through Vercel AI Gateway as google/gemini-2.5-flash-lite.
When was Gemini 2.5 Flash-Lite released?
Google released Gemini 2.5 Flash-Lite on July 22, 2025.
Sources
Last verified from ai.google.dev.
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