Model Library
GoogleReleased May 20, 2025Gemini 2.5 Flash
Google · Released May 20, 2025
Intelligence score
20
At a glance
- Intelligence
- 20
- Speed
- 226.5tokens/sec
- Latency
- 11.97stime to first token
- Input price
- $0.30per 1M tokens
- Output price
- $2.50per 1M tokens
- Context window
- 3tokens
- Parameters
- —
Summary
Comparison summary
Gemini 2.5 Flash (Reasoning) scores 20 (estimated) on the Artificial Analysis Intelligence Index, placing it above average among other reasoning models in a similar price tier (median: 15). Gemini 2.5 Flash (Reasoning) generates output at 226.5 tokens per second (based on Google's API), which is well above average compared to other reasoning models in a similar price tier (median: 99.1 t/s). Gemini 2.5 Flash (Reasoning) costs $0.30 per 1M input tokens (somewhat higher than average, median: $0.25) and $2.50 per 1M output tokens (at the higher end, median: $0.87), based on Google's API.
Specifications
Technical specifications
| Model name | Gemini 2.5 Flash |
|---|---|
| Provider | |
| Release date | May 20, 2025 |
| Intelligence score | 20 |
| Speed | 226.5 tokens/sec |
| Latency (TTFT) | 11.97s |
| Input price | $0.30 / 1M tokens |
| Output price | $2.50 / 1M tokens |
| Context window | 3 tokens |
| Parameters | — |
| Reasoning | Yes |
| Input modalities | text, image, audio, video |
| Output modalities | — |
| Open weights | No |
| License | — |
| API availability | — |
| Source | Model Intelligence legacy profile: gemini-2-5-flash-reasoning |
Pricing
Token prices
Price per 1M tokens
Gemini 2.5 Flash, as listed in the catalog record
- Input$0.30
- Output$2.50
| Token type | Price per 1M |
|---|---|
| Input | $0.30 |
| Output | $2.50 |
Model Intelligence legacy profile: gemini-2-5-flash-reasoning
FAQ · 19
Frequently asked questions
Gemini 2.5 Flash (Reasoning) was released on May 20, 2025.
Gemini 2.5 Flash (Reasoning) was created by Google.
Gemini 2.5 Flash (Reasoning) scores 20 (estimated) on the Artificial Analysis Intelligence Index, placing it above average among other reasoning models in a similar price tier (median: 15).
Gemini 2.5 Flash (Reasoning) generates output at 226.5 tokens per second (based on Google's API), which is well above average compared to other reasoning models in a similar price tier (median: 99.1 t/s).
Gemini 2.5 Flash (Reasoning) has a time to first token (TTFT) of 11.97s (based on Google's API), which is at the higher end compared to other reasoning models in a similar price tier (median: 1.95s).
Gemini 2.5 Flash (Reasoning) costs $0.30 per 1M input tokens (somewhat higher than average, median: $0.25) and $2.50 per 1M output tokens (at the higher end, median: $0.87), based on Google's API.
Gemini 2.5 Flash (Reasoning) costs $0.30 per 1M input tokens and $2.50 per 1M output tokens (based on Google's API). For a blended rate (7:2:1 cache hit/input/output ratio), this is $0.33 per 1M tokens. Pricing may vary by provider.
Yes, Gemini 2.5 Flash (Reasoning) is a reasoning model. It uses extended thinking or chain-of-thought reasoning to work through complex problems before providing an answer.
Gemini 2.5 Flash (Reasoning) supports text, image, speech, and video input.
Gemini 2.5 Flash (Reasoning) supports text output.
Yes, Gemini 2.5 Flash (Reasoning) supports image input and can analyze, describe, and answer questions about images.
Yes, Gemini 2.5 Flash (Reasoning) is multimodal. It can process text, image, speech, and video input and generate text output.
Gemini 2.5 Flash (Reasoning) has a context window of 1.0M tokens. This determines how much text and conversation history the model can process in a single request.
No, Gemini 2.5 Flash (Reasoning) is proprietary. The model weights are not publicly available.
Gemini 2.5 Flash (Reasoning) is a proprietary model and Google has not disclosed the model size or parameter count.
Gemini 2.5 Flash (Reasoning) achieves a score of 20 on the Artificial Analysis Intelligence Index. This composite benchmark evaluates models across reasoning, knowledge, mathematics, and coding.
Gemini 2.5 Flash (Reasoning) has a knowledge cutoff of January 2025. The model's training data includes information up to this date.
Yes, Gemini 2.5 Flash (Reasoning) is available via API through 2 providers.
Gemini 2.5 Flash (Reasoning) is available through 2 API providers.