vertex_ai-language-models gemini-3.1-pro-preview
vertex_ai-language-models gemini-3.1-pro-preview costs USD 2.00 per 1M input tokens and USD 12.00 per 1M output tokens (community cross-check, https://github.com/BerriAI/litellm/blob/main/model_prices_and_context_window.json), verified 2026-10-24 10:58 UTC.
Last verified 2026-10-24T10:58:26+00:00 · Source: https://github.com/BerriAI/litellm/blob/main/model_prices_and_context_window.json (community cross-check, waak source litellm)
No first-party source is read for this model yet; this value is a community cross-check and can lag the provider.
Price
- Input
- USD 2.00 / 1M tokens
- Output
- USD 12.00 / 1M tokens
- Cached input
- USD 0.20 / 1M
- Batch input
- USD 1.00 / 1M
- Batch output
- USD 6.00 / 1M
- This price since
- 2026-02-21T06:24:58+00:00
- FX used
- 1 EUR = 1.1767 USD (ECB)
- Billing
- per_token
Specification
- Context window (tokens)
- 1,048,576
- Max output
- 65,536
- Mode
- chat
- Region
- global
- Listing
- listing not verifiable
aggregator / community mirror: no first-party public page to check against - First seen
- 2026-02-21T06:24:58+00:00
- SKU id
llm/vertex_ai-language-models/gemini-3.1-pro-preview
Other listings of this model
Sources can disagree. The provider's own listing is first-party; LiteLLM, OpenRouter and models.dev are community cross-checks. Differences are shown, not resolved.
| SKU | Source | Input / 1M | Output / 1M | vs this page | Last verified |
|---|---|---|---|---|---|
| llm/modelsdev/302ai/gemini-3.1-pro-preview | modelsdev (community cross-check) | 2.00 | 12.00 | agrees | 2026-10-24T05:42:41+00:00 |
| llm/modelsdev/abacus/gemini-3.1-pro-preview | modelsdev (community cross-check) | 2.00 | 12.00 | agrees | 2026-10-24T05:42:41+00:00 |
| llm/modelsdev/aihubmix/gemini-3.1-pro-preview | modelsdev (community cross-check) | 2.00 | 12.00 | agrees | 2026-10-24T05:42:41+00:00 |
| llm/modelsdev/aimlapi/google/gemini-3.1-pro-preview | modelsdev (community cross-check) | 2.00 | 12.00 | agrees | 2026-10-24T05:42:41+00:00 |
| llm/modelsdev/auriko/gemini-3.1-pro-preview | modelsdev (community cross-check) | 2.00 | 12.00 | agrees | 2026-10-24T05:42:41+00:00 |
| llm/modelsdev/crossmodel/gemini/gemini-3.1-pro-preview | modelsdev (community cross-check) | 2.00 | 12.00 | agrees | 2026-10-24T05:42:41+00:00 |
| llm/modelsdev/daoxe/gemini-3.1-pro-preview | modelsdev (community cross-check) | 2.00 | 12.00 | agrees | 2026-10-24T05:42:41+00:00 |
| llm/modelsdev/edenai/google/gemini-3.1-pro-preview | modelsdev (community cross-check) | 2.00 | 12.00 | agrees | 2026-10-24T05:42:41+00:00 |
| llm/modelsdev/edenai/vertex/gemini-3.1-pro-preview | modelsdev (community cross-check) | 2.00 | 12.00 | agrees | 2026-10-24T05:42:41+00:00 |
| llm/modelsdev/fastrouter/google/gemini-3.1-pro-preview | modelsdev (community cross-check) | 2.00 | 12.00 | agrees | 2026-10-24T05:42:41+00:00 |
| llm/modelsdev/frogbot/gemini-3-1-pro-preview | modelsdev (community cross-check) | 2.00 | 12.00 | agrees | 2026-10-24T05:42:41+00:00 |
| llm/modelsdev/google-vertex/gemini-3.1-pro-preview | modelsdev (community cross-check) | 2.00 | 12.00 | agrees | 2026-10-24T05:42:41+00:00 |
Price history (90 days)
| Observed (UTC) | Price | USD | EUR | Output / 1M | Snapshot |
|---|---|---|---|---|---|
| 2026-02-21T06:24:58+00:00 | USD 2.00 | 2.00 | 1.6997 | 12.00 | #192 |
Each row is a change point: the price held from that moment until the next row. Full history: JSON · CSV.
Changes
| Seen | Kind | Change |
|---|---|---|
| 2026-02-21T06:24:58+00:00 between 2026-02-14 and 2026-02-21 |
New SKU | 2 USD |
API: /v1/skus/llm/vertex_ai-language-models/gemini-3.1-pro-preview
Cite this
Free to reuse under CC BY 4.0 with this credit. The numbers are list prices, not transacted prices.
InfraRabbit (2026). vertex_ai-language-models gemini-3.1-pro-preview [data as of 2026-10-24]. https://infrarabbit.com/llm/vertex_ai-language-models/gemini-3.1-pro-preview (accessed 2026-10-24). List prices, not transacted prices. CC BY 4.0.
BibTeX
@misc{infrarabbit_llm_vertex_ai_language_models_gemini_3_1_pro_preview_2026,
author = {{InfraRabbit}},
title = {vertex_ai-language-models gemini-3.1-pro-preview},
year = {2026},
howpublished = {\url{https://infrarabbit.com/llm/vertex_ai-language-models/gemini-3.1-pro-preview}},
note = {Data as of 2026-10-24; accessed 2026-10-24; list prices, not transacted prices; CC BY 4.0}
}