This model was retired on 2026-02-17. The pricing below is the last-known rate, kept for migration reference.
Gemini 2.5 Flash Preview 09 2025Deprecated
VisionTool useReasoningPrompt cachingStructured outputWeb search
Context
1M
Max output
66K
Serving providers
2
Cheapest input
$0.30 /1M
Prices are on-demand list rates. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.
Benchmarks
independent evaluations · source: Artificial AnalysisHeadline indices
Intelligence Index
24.2
of 100
Individual benchmarks · click a row for effort variants
| Benchmark | Best score | Effort | Cost / task | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CritPt | 0% | reasoning: true | — | |||||||||||||
| ||||||||||||||||
| GPQA Diamond | 79% | reasoning: true | — | |||||||||||||
| ||||||||||||||||
| Humanity's Last Exam | 14% | reasoning: true | — | |||||||||||||
| ||||||||||||||||
| IFBench | 52% | reasoning: true | — | |||||||||||||
| ||||||||||||||||
| LiveCodeBench | 71% | reasoning: true | — | |||||||||||||
| ||||||||||||||||
| Long-Context Reasoning | 68% | reasoning: true | — | |||||||||||||
| ||||||||||||||||
| MMLU-Pro | 84% | reasoning: true | — | |||||||||||||
| ||||||||||||||||
| MMMU-Pro | 73% | reasoning: true | — | |||||||||||||
| ||||||||||||||||
| Omniscience | -36.1 | reasoning: true | — | |||||||||||||
| ||||||||||||||||
| Omniscience Accuracy | 0.3 | reasoning: true | — | |||||||||||||
| ||||||||||||||||
| Omniscience Non Hallucination | 0.1 | reasoning: true | — | |||||||||||||
| ||||||||||||||||
| SciCode | 41% | reasoning: true | — | |||||||||||||
| ||||||||||||||||
| TerminalBench Hard | 17% | reasoning: true | — | |||||||||||||
| ||||||||||||||||
| τ²-bench | 46% | reasoning: true | — | |||||||||||||
| ||||||||||||||||
Pricing by serving provider
last-known · per 1M tokens · click a provider to expand| Serving provider | Input /1M | Output /1M | Endpoints | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Vertex AI | $0.30 | $2.50 | 1 | |||||||||||||
| ||||||||||||||||
| $0.30 | $2.50 | 1 | ||||||||||||||
| ||||||||||||||||
Price history
input + output $/1M since we started tracking Input Output
Cost calculator
estimate your monthly spend on this model$260
estimated / month
Model IDs
copy the exact identifier for your platformgemini-2.5-flash-preview-09-2025gemini/gemini-2.5-flash-preview-09-2025
Frequently asked questions
Gemini 2.5 Flash Preview 09 2025 pricing, context and availabilityIs Gemini 2.5 Flash Preview 09 2025 still available?
Gemini 2.5 Flash Preview 09 2025 was retired on 2026-02-17. The pricing on this page is the last-known rate, kept for migration reference.
How much did Gemini 2.5 Flash Preview 09 2025 cost?
Gemini 2.5 Flash Preview 09 2025's last-known pricing, before it was retired on 2026-02-17, was $0.30 per 1M input tokens and $2.50 per 1M output tokens.
What was the context window of Gemini 2.5 Flash Preview 09 2025?
Gemini 2.5 Flash Preview 09 2025 had a 1M token context window and could return up to 66K output tokens.
What could Gemini 2.5 Flash Preview 09 2025 do?
Gemini 2.5 Flash Preview 09 2025 supported image input (vision), tool use, reasoning, prompt caching, structured output and web search.
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