Migrating from gemini-2.5-pro to gemini-3-pro-preview
What changes when you move from gemini-2.5-pro to gemini-3-pro-preview: prices, limits, features and parameters, read from each company's own pages.
- From
- gemini-2.5-pro
- Status
- Active
- Shutdown
- none announced
- Time left
- —
- Status
- Retired
- Shutdown
- Mar 9, 2026 at the earliest
- Time left
- —
gemini-3-pro-preview is itself retired. Its replacement is gemini-3.1-pro-preview.
Prices
USD per 1M tokens, standard tier| Type | gemini-2.5-pro | gemini-3-pro-preview | Change |
|---|---|---|---|
| Input | $1.25first seen October 1, 2026 · source | Not published | — |
| Cached input | $0.125first seen October 1, 2026 · source | Not published | — |
| Output | $10.00first seen October 1, 2026 · source | Not published | — |
Other tiers, prompt-size bands and modalities are on each model's page.
Limits
Tokens| Limit | gemini-2.5-pro | gemini-3-pro-preview | Change |
|---|---|---|---|
| Context window | 1,048,576 tokensin place when tracking began (October 6, 2026) · source | 1,048,576 tokensin place when tracking began (October 6, 2026) · source | 0% |
| Max output tokens | 65,536 tokensin place when tracking began (October 6, 2026) · source | 65,536 tokensin place when tracking began (October 6, 2026) · source | 0% |
Benchmarks
Same benchmark, source and setting on both sides| Benchmark | gemini-2.5-pro | gemini-3-pro-preview | Change |
|---|---|---|---|
| Arena TextArena. Ranges don't overlap. | 1445 ±2 | 1485 ±4 | +40 |
| Arena Text: CodingArena. Ranges don't overlap. | 1464 ±4 | 1517 ±7 | +53 |
| Arena WebDevArena. Ranges don't overlap. | 1226 ±16 | 1440 ±8 | +214 |
| Arena VisionArena. Ranges don't overlap. | 1248 ±5 | 1289 ±7 | +41 |
| Arena SearchArena. Ranges don't overlap. | 1144 ±5 | 1201 ±5 | +57 |
| Arena DocumentArena. Ranges don't overlap. | 1431 ±6 | 1451 ±9 | +20 |
| GPQA DiamondEpoch AI. | 85.3% | 92.6% | +7.3 pts |
| OTIS Mock AIME 2024-2025Epoch AI. | 84.7% | 91.4% | +6.7 pts |
| SWE-bench VerifiedEpoch AI. | 57.6% | 72.9% | +15.3 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: Arena (arena.ai), CC BY 4.0; Epoch AI, Capabilities & benchmarking (epoch.ai/benchmarks), CC BY.
Features and parameters
Compare modelsSame on both
- Structured outputs: supported on both.gemini-2.5-pro: in place when tracking began (October 6, 2026) · source · gemini-3-pro-preview: in place when tracking began (October 6, 2026) · source
- Function calling: supported on both.gemini-2.5-pro: in place when tracking began (October 6, 2026) · source · gemini-3-pro-preview: in place when tracking began (October 6, 2026) · source
- Prompt caching: supported on both.gemini-2.5-pro: in place when tracking began (October 6, 2026) · source · gemini-3-pro-preview: in place when tracking began (October 6, 2026) · source
- Batch API: supported on both.gemini-2.5-pro: in place when tracking began (October 6, 2026) · source · gemini-3-pro-preview: in place when tracking began (October 6, 2026) · source
- Image input: supported on both.gemini-2.5-pro: in place when tracking began (October 6, 2026) · source · gemini-3-pro-preview: in place when tracking began (October 6, 2026) · source
- PDF input: supported on both.gemini-2.5-pro: in place when tracking began (October 6, 2026) · source · gemini-3-pro-preview: in place when tracking began (October 6, 2026) · source
- Reasoning / thinking: supported on both.gemini-2.5-pro: in place when tracking began (October 6, 2026) · source · gemini-3-pro-preview: in place when tracking began (October 6, 2026) · source
- Built-in web search: supported on both.gemini-2.5-pro: in place when tracking began (October 6, 2026) · source · gemini-3-pro-preview: in place when tracking began (October 6, 2026) · source
Not published for gemini-2.5-pro: Fine-tuning, temperature parameter, top_p parameter, logprobs.
Not published for gemini-3-pro-preview: Fine-tuning, temperature parameter, top_p parameter, logprobs.
Free tier
gemini-2.5-pro: Free tier, in place when tracking began (October 7, 2026) (source) · All free models
gemini-3-pro-preview: no free tier listed
Free access is lost: gemini-3-pro-preview has no free tier listed.
Aliases
All aliasesNo aliases point at either model.
On cloud platforms
All platform dates| Model | Platform | Platform ID | Shutdown | Time left |
|---|---|---|---|---|
| gemini-2.5-pro | Google Cloud Vertex AI | gemini-2.5-pro | Oct 20, 2026Active | 5 days |
Read daily from each platform's own pages. The status above uses each company's own date. Time left counts to 00:00 UTC on the shutdown date, which is the evening before in ET.
Checklist
- Change the model string from
gemini-2.5-protogemini-3-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, gemini-3-pro-preview.