Migrating from gemini-3-pro-preview to gemini-3.1-pro-preview-customtools
What changes when you move from gemini-3-pro-preview to gemini-3.1-pro-preview-customtools: prices, limits, features and parameters, read from each company's own pages.
- Status
- Retired
- Shutdown
- Mar 9, 2026 at the earliest
- Time left
- —
- Status
- Active
- Shutdown
- none announced
- Time left
- —
Prices
USD per 1M tokens, standard tier| Type | gemini-3-pro-preview | gemini-3.1-pro-preview-customtools | 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-3-pro-preview | gemini-3.1-pro-preview-customtools | Change |
|---|---|---|---|
| Context window | 1,048,576 tokensin place when tracking began (October 6, 2026) · source | Not published | — |
| Max output tokens | 65,536 tokensin place when tracking began (October 6, 2026) · source | Not published | — |
Benchmarks
Same benchmark, source and setting on both sides| Benchmark | gemini-3-pro-preview | gemini-3.1-pro-preview-customtools | Change |
|---|---|---|---|
| SWE-bench VerifiedEpoch AI. | 72.9% | 75.6% | +2.7 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-3-pro-preview: Fine-tuning, temperature parameter, top_p parameter, logprobs.
Not published for gemini-3.1-pro-preview-customtools: 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.
Aliases
All aliasesNo aliases point at either model.
Checklist
- Change the model string from
gemini-3-pro-previewtogemini-3.1-pro-preview-customtools.
Compared from AIWire's published data when this page loaded. Each fact links to the page it came from. Model pages: gemini-3-pro-preview, gemini-3.1-pro-preview-customtools.