Migrating from gemini-2.5-pro-preview-03-25 to gemini-3.1-pro-preview
What changes when you move from gemini-2.5-pro-preview-03-25 to gemini-3.1-pro-preview: prices, limits, features and parameters, read from each company's own pages.
- Status
- Retired
- Shutdown
- Dec 2, 2025 at the earliest
- Time left
- —
- Status
- Active
- Shutdown
- none announced
- Time left
- —
Prices
USD per 1M tokens, standard tier| Type | gemini-2.5-pro-preview-03-25 | gemini-3.1-pro-preview | Change |
|---|---|---|---|
| Input | Not published | $2.00first seen October 1, 2026 · source | — |
| Cached input | Not published | $0.20first seen October 1, 2026 · source | — |
| Output | Not published | $12.00first seen October 1, 2026 · source | — |
Other tiers, prompt-size bands and modalities are on each model's page.
Limits
Tokens| Limit | gemini-2.5-pro-preview-03-25 | gemini-3.1-pro-preview | Change |
|---|---|---|---|
| Context window | Not published | 1,048,576 tokensin place when tracking began (October 6, 2026) · source | — |
| Max output tokens | Not published | 65,536 tokensin place when tracking began (October 6, 2026) · source | — |
Benchmarks
Same benchmark and source on both sides; settings named where they differ| Benchmark | gemini-2.5-pro-preview-03-25 | gemini-3.1-pro-preview | Change |
|---|---|---|---|
GPQA DiamondEpoch AI, high effort (vs no setting).Other settings
| 83.8% | 94.4% | +10.6 pts |
A score from one source is never compared with another source's, and company-reported scores are compared only within the same company; settings named where they differ. Data: Epoch AI, Capabilities & benchmarking (epoch.ai/benchmarks), CC BY.
Features and parameters
Compare modelsNo feature is published for both models, so none can be compared.
Not published for gemini-2.5-pro-preview-03-25: Structured outputs, Function calling, Prompt caching, Batch API, Image input, PDF input, Reasoning / thinking, Fine-tuning, Built-in web search, temperature parameter, top_p parameter, logprobs, Context window, Max output tokens.
Not published for gemini-3.1-pro-preview: Fine-tuning, temperature parameter, top_p parameter, logprobs.
Aliases
All aliasesNo aliases point at gemini-2.5-pro-preview-03-25.
Aliases pointing at gemini-3.1-pro-preview: gemini-3-pro-preview (since March 9, 2026, per Google · source)
Checklist
- Change the model string from
gemini-2.5-pro-preview-03-25togemini-3.1-pro-preview.
Compared from AIWire's published data when this page loaded. Each fact links to the page it came from. Model pages: gemini-2.5-pro-preview-03-25, gemini-3.1-pro-preview.