GoogleGemini 2.5Arena #59Jun 17, 2025
Gemini 2.5 Flash
Gemini 2.5 Flash is Google's state-of-the-art workhorse model, specifically designed for advanced reasoning, coding, mathematics, and scientific tasks. It includes built-in "thinking" capabilities, enabling it to provide responses with greater accuracy and nuanced context handling. Additionally, Gemini 2.5 Flash is configurable through the "max tokens for reasoning" parameter, as described in the documentation (https://openrouter.ai/docs/use-cases/reasoning-tokens#max-tokens-for-reasoning).
Context Window
1.0M
tokens
Max Output
66K
tokens
Released
Jun 17, 2025
Arena Rank
#59
of 305 models
Output Speed
312
tokens/sec
Time to First Token
450ms
TTFT
Capabilities
👁Vision
🧠Reasoning
🔧Tool Calling
⚡Prompt Caching
🖥Computer Use
🎨Image Generation
Supported Parameters
Include Reasoning
Show reasoning tokens
Max Tokens
Output length limit
Reasoning
Extended thinking
Response Format
JSON mode / structured output
Seed
Deterministic outputs
Stop Sequences
Custom stop tokens
structured_outputs
Temperature
Controls randomness
Tool Choice
Control tool usage
Tool Calling
Function calling support
Top P
Nucleus sampling
Pricing Comparison
| Router | Input / 1M | Output / 1M | Cached Input / 1M |
|---|---|---|---|
| Requesty★ | $0.30 | $2.50 | $0.07 |
| OpenRouter | $0.30 | $2.50 | $0.03 |
| Vercel AI | $0.30 | $2.50 | — |
| Martian | $0.30 | $2.50 | — |
| DeepInfra | $0.30 | $2.50 | — |
Benchmarks
Artificial Analysis
Intelligence IndexArtificial Analysis
65/100Coding IndexArtificial Analysis
58/100Math IndexArtificial Analysis
82/100MMLU-PROArtificial Analysis
0.775/1GPQA DiamondArtificial Analysis
0.658/1MATH-500Artificial Analysis
0.928/1AIME 2024Artificial Analysis
0.62/1Humanity's Last ExamArtificial Analysis
0.065/1LiveCodeBenchArtificial Analysis
0.598/1SciCodeArtificial Analysis
0.315/1Model IDs
Requesty
google/gemini-2.5-flashOpenRouter
google/gemini-2.5-flashTags
visionreasoningtool-callingcaching
Available Regions
EUUS
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