Google: Gemini 2.5 Flash
Gemini 2.5 Flash from Google is an advanced AI model capable of handling text, images, audio, video, and file inputs, with a substantial context length of up to 1MB. It supports reasoning and tools integration, enabling complex problem-solving scenarios; however, structured output support remains unverified. This model shines as a robust choice for businesses requiring comprehensive input modalities and reasoning capabilities, despite its higher cost-$0.3 per million input tokens and $2.5 per million output tokens. Its blended benchmark score of 48.3 across three independent benchmarks underscores its reliability; however, the lack of detailed coverage in some areas leaves room for uncertainty.
Benchmark results
Independent, published benchmarks. Blended score 48.3 across 3 benchmarks, last refreshed 2026-08-13. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| Aider Polyglot | code editing across languages | 55.1 |
| AI Index | broad capability composite | 23.4 |
| EQ-Bench | emotional understanding in dialogue | 54.5 |
- Model ID
- google/gemini-2.5-flash
- Vendor
- Released
- June 2025
- Tokenizer
- Gemini
- Input Modalities
- file, image, text, audio, video
- Output Modalities
- text
- Max Output
- 65,535 tokens
- Tool Calling
- ✓ supported
- Structured Output
- ✓ supported
- Reasoning Mode
- ✓ supported
- Vision
- ✓ accepts images
- Audio
- ✓ accepts audio
- Moderated
- no
What it costs in practice
Computed from the current $0.30/M input and $2.50/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | $0.01 |
| Classify 1,000 customer emails | 500k in / 50k out | $0.28 |
| A month of a busy support chatbot | 5M in / 2M out | $6.50 |
Strong choice for
Category rankings
Where Google: Gemini 2.5 Flash places across the 5 categories it ranks in. How we rank →
| # | Category | Score |
|---|---|---|
| #4 | Code CompletionCode · of 25 ranked | 134 |
| #14 | Audio SummarizationVoice · of 25 ranked | 153 |
| #17 | TranscriptionVoice · of 25 ranked | 123 |
| #17 | Video SummarizationVideo · of 25 ranked | 153 |
| #20 | Transcript CleanupWriting · of 25 ranked | 143 |
Similar models
Google: Gemini 3.6 Flash
Google: Gemini 3.6 Flash (batch)
Google: Gemini 3.5 Flash Lite
Google: Gemini 3.5 Flash Lite (batch)
Google: Gemini 3.5 Flash
Google: Gemini 3.5 Flash (batch)
Quick answers
- How much does Google: Gemini 2.5 Flash cost?
- $0.30 per million input tokens and $2.50 per million output tokens.
- What is Google: Gemini 2.5 Flash's context window?
- 1,048,576 tokens, roughly 1,572 pages of text in a single request.
- Does Google: Gemini 2.5 Flash support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can Google: Gemini 2.5 Flash process images?
- Yes, it accepts image input.