Gemini 2.5 Flash
Google's first generally available Flash-tier thinking model, pairing chain-of-thought reasoning with Flash-level speed.
Key Specifications
- Context window
- 1M tokens
- Max output
- 66K tokens
- Knowledge cutoff
- web search available
- Released
- Inputs
- Text, image, video, audio
- Capabilities Show details
- Reasoning Thinks before it answers, always on or as a switchable mode. Function calling Connect to external tools, APIs, and systems. Structured output Return responses in structured formats like JSON. Web search Search the web for up-to-date information. Code execution Write and execute code in a sandboxed environment. File upload Process uploaded documents, spreadsheets, and other files.
Hosted API pricing
| Provider | Input /1M tokens | Output /1M tokens | Cached input /1M | Cost at 10M in + 2M out | |
|---|---|---|---|---|---|
|
Google Cloud
Creator
|
$0.30 | $2.50 | $0.03 | $8.00 | View |
Replicate
|
$0.30 | $2.50 | $8.00 | View |
Heads up: Base-tier, on-demand rates per 1M tokens; cached, batch and long-context tiers excluded. A provider may serve a shorter context or a quantized build than the creator's release. Verify before provisioning. More on how we price.
Similarly priced models
The models nearest Gemini 2.5 Flash by blended rate, each at its own cheapest provider.
| Model | Blended /1M | Input /1M | Output /1M | Context | Cutoff | vs Gemini 2.5 Flash |
|---|---|---|---|---|---|---|
DeepSeek V3 Turbo
DeepSeek
|
$0.55 | $0.40 | $1.30 | 64K | −18% | |
Qwen3-VL-30B-A3B Thinking
Alibaba Cloud
|
$0.5667 | $0.20 | $2.40 | 262K | −15% | |
|
Qwen3-235B-A22B Thinking (2507)
Alibaba Cloud
|
$0.575 | $0.23 | $2.30 | 262K | −14% | |
|
Qwen3-Coder-480B-A35B
Alibaba Cloud
|
$0.575 | $0.38 | $1.55 | 262K | −14% | |
GPT-4.1 Mini
OpenAI
|
$0.60 | $0.40 | $1.60 | 1M | Jun 2024 | −10% |
|
Gemini 2.5 Flash
This model
Google Cloud
|
$0.6667 | $0.30 | $2.50 | 1M | Jan 2025 | |
|
Gemini 3.5 Flash-Lite
Google Cloud
|
$0.6667 | $0.30 | $2.50 | 1M | Mar 2026 | 0% |
Mistral Large 3
Mistral
|
$0.6667 | $0.50 | $1.50 | 256K | 0% | |
|
Qwen3.5-Plus
Alibaba Cloud
|
$0.7333 | $0.40 | $2.40 | 1M | +10% | |
GLM-5
Z.AI
|
$0.7667 | $0.60 | $1.60 | 200K | +15% | |
|
DeepSeek R1 Distill Llama 70B
DeepSeek
|
$0.80 | $0.80 | $0.80 | 131K | +20% |
Prices are USD per 1M tokens at each model's cheapest listed provider. Blended is the cost of 10M input plus 2M output tokens, spread over the 12M.
Frequently Asked Questions
What is Gemini 2.5 Flash good for?
High-volume multimodal work, long documents and agents, with thinking. It sits in the middle of Google's price range.
When is Gemini 2.5 Flash not a good fit?
New projects: Google closed the model to new users in July 2026 and a shutdown is expected. Closed weights, so no self-hosting.
What is the cheapest way to run Gemini 2.5 Flash?
The cheapest hosted rate is $0.30 / $2.50 per 1M tokens via Google Cloud.
How does Gemini 2.5 Flash compare with Gemini 2.0 Flash?
Google says Gemini 2.5 Flash builds on Gemini 2.0 Flash and adds thinking that developers can switch on, off or budget. Google calls it a major step up in reasoning that keeps the speed of Gemini 2.0 Flash when thinking is off. Same 1M-token context and text, image, audio and video input. Gemini 2.5 Flash came out 4 months later and has a newer knowledge cutoff (January 2025 against August 2024) and a larger max output (66K against 8K tokens).
Can I self-host Gemini 2.5 Flash?
No. Google Cloud does not publish the weights; Gemini 2.5 Flash is available only through hosted APIs.
More from Google Cloud
| Model | Context | Input /1M | Output /1M |
|---|---|---|---|
|
Gemini 3.5 Flash-Lite
|
1M | $0.30 | $2.50 |
|
Gemini 3 Flash Preview
|
1M | $0.50 | $3.00 |
|
Gemini 3.1 Flash-Lite
|
1M | $0.25 | $1.50 |
|
Gemini 3.6 Flash
|
1M | $0.75 | $3.75 |
|
Gemini 3.7 Flash
|
1M | $0.75 | $3.75 |
|
Gemini 3.8 Flash
|
1M | $0.75 | $3.75 |
|
Gemma 4 31B
Open weights
|
256K | $0.13 | $0.37 |
|
Gemini 2.5 Pro
|
1M | $1.25 | $10.00 |