Google · Released Jun 17, 2025Gemini 2.5 Flash
Fast Gemini workhorse for multimodal apps where latency and price matter.
- Capability
- 140.8ECI · #97 of 148
- Input
- $0.30per 1M tokens
- Output
- $2.50per 1M tokens
- Context
- 1.05M66K max output
What it costs
- Input
- $0.30per million tokens
- Output
- $2.50per million tokens
- Cached input
- $0.03per million tokens
- Blended (3:1)
- $0.85pricier than 51% of priced models
Typical monthly bills
| Monthly usage | Estimated cost |
|---|---|
| Side project2M input + 0.5M output tokens | $1.85 |
| Team assistant25M input + 5M output tokens | $20.00 |
| Production app250M input + 50M output tokens | $200.00 |
Official Google API price, as listed on models.dev.
Independent benchmarks
#97 of 148 scored models
The shaded band is Epoch AI’s confidence range (138.5–142.3); the tick marks the median scored model.
Scores from Epoch AI, run independently of Google.
The details
- Lab
- Released
- Jun 17, 2025
- Knowledge cutoff
- Jan 2025
- Context window
- 1,048,576 tokens
- Max output
- 65,536 tokens
- Inputs
- Text, Images, PDFs, Audio, Video
- Output
- Text
- Reasoning
- Thinking budget
- Tool calling
- Yes
- Structured output
- Yes
- Weights
- Proprietary
- API model ID
gemini-2.5-flashon Google- Availability
- 22 API providerslisted on models.dev
What Google claims
Published by the lab at launch. Settings vary, so compare these only with care.
More from Google
About Gemini 2.5 Flash
How much does Gemini 2.5 Flash cost?
Gemini 2.5 Flash costs $0.30 input / $2.50 output per million tokens (official Google API price). Cached input is $0.03 per million tokens. At a 3:1 input-to-output mix that is $0.85 per million tokens, more expensive than 51% of the 360 priced models we track.
What is the context window of Gemini 2.5 Flash?
Gemini 2.5 Flash accepts up to 1,048,576 tokens per request and can write up to 65,536 tokens in one response.
How good is Gemini 2.5 Flash?
Epoch AI gives Gemini 2.5 Flash a Capabilities Index score of 140.8 (likely range 138.5–142.3), ranking it #97 of 148 models Epoch has scored.
Is Gemini 2.5 Flash open source?
No. Gemini 2.5 Flash is proprietary; you use it through Google’s API or partner platforms.
What inputs does Gemini 2.5 Flash support?
Gemini 2.5 Flash accepts text, images, PDFs, audio and video and replies in text. It is a reasoning model, supports tool calling and can return structured JSON output.
When was Gemini 2.5 Flash released?
Google released Gemini 2.5 Flash on Jun 17, 2025. Its training data runs to Jan 2025.
What are the best alternatives to Gemini 2.5 Flash?
The closest current models from other labs on capability, price and release date are DeepSeek-V3.1 (DeepSeek, ECI 139.9, $0.385 / $1.25), Qwen3 235B-A22B (Alibaba (Qwen), ECI 139.4, $0.70 / $2.80), GPT-5 Mini (OpenAI, ECI 145.5, $0.25 / $2.00) and GLM-4.7 (Z.ai (Zhipu), ECI 143.5, $0.60 / $2.20).