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Add Gemini 3.1 Pro support and set Gemini default model (#11608)

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Add Gemini 3.1 model entries for Gemini and Vertex providers.

Include the Gemini custom-tools endpoint model id in Gemini provider.
Update geminiDefaultModelId to gemini-3.1-pro-preview.

References:
- https://ai.google.dev/gemini-api/docs/models/gemini-3.1-pro-preview
- https://ai.google.dev/gemini-api/docs/pricing
- https://ai.google.dev/gemini-api/docs/thinking
- https://cloud.google.com/vertex-ai/generative-ai/docs/models/gemini/3-1-pro
- https://cloud.google.com/vertex-ai/generative-ai/pricing
- https://cloud.google.com/blog/products/ai-machine-learning/gemini-3-1-pro-on-gemini-cli-gemini-enterprise-and-vertex-ai
- https://deepmind.google/models/model-cards/gemini-3-1-pro/
- https://blog.google/innovation-and-ai/models-and-research/gemini-models/gemini-3-1-pro/
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Peter Dave Hello 2026-02-20 03:16:22 +08:00 • committed by GitHub
parent aff46b14e2
commit b64334b2bd
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2 changed files with 88 additions and 1 deletions
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60
packages/types/src/providers/gemini.ts
View file

@ -3,9 +3,67 @@ import type { ModelInfo } from "../model.js"
// https://ai.google.dev/gemini-api/docs/models/gemini
export type GeminiModelId = keyof typeof geminiModels
export const geminiDefaultModelId: GeminiModelId = "gemini-3-pro-preview"
export const geminiDefaultModelId: GeminiModelId = "gemini-3.1-pro-preview"
export const geminiModels = {
"gemini-3.1-pro-preview": {
maxTokens: 65_536,
contextWindow: 1_048_576,
supportsImages: true,
supportsPromptCache: true,
supportsReasoningEffort: ["low", "medium", "high"],
reasoningEffort: "low",
supportsTemperature: true,
defaultTemperature: 1,
inputPrice: 4.0,
outputPrice: 18.0,
cacheReadsPrice: 0.4,
cacheWritesPrice: 4.5,
tiers: [
{
contextWindow: 200_000,
inputPrice: 2.0,
outputPrice: 12.0,
cacheReadsPrice: 0.2,
},
{
contextWindow: Infinity,
inputPrice: 4.0,
outputPrice: 18.0,
cacheReadsPrice: 0.4,
},
],
},
"gemini-3.1-pro-preview-customtools": {
maxTokens: 65_536,
contextWindow: 1_048_576,
supportsImages: true,
supportsPromptCache: true,
supportsReasoningEffort: ["low", "medium", "high"],
reasoningEffort: "low",
supportsTemperature: true,
defaultTemperature: 1,
inputPrice: 4.0,
outputPrice: 18.0,
cacheReadsPrice: 0.4,
cacheWritesPrice: 4.5,
tiers: [
{
contextWindow: 200_000,
inputPrice: 2.0,
outputPrice: 12.0,
cacheReadsPrice: 0.2,
},
{
contextWindow: Infinity,
inputPrice: 4.0,
outputPrice: 18.0,
cacheReadsPrice: 0.4,
},
],
},
"gemini-3-pro-preview": {
maxTokens: 65_536,
contextWindow: 1_048_576,

29
packages/types/src/providers/vertex.ts
View file

@ -6,6 +6,35 @@ export type VertexModelId = keyof typeof vertexModels
export const vertexDefaultModelId: VertexModelId = "claude-sonnet-4-5@20250929"
export const vertexModels = {
"gemini-3.1-pro-preview": {
maxTokens: 65_536,
contextWindow: 1_048_576,
supportsImages: true,
supportsPromptCache: true,
supportsReasoningEffort: ["low", "medium", "high"],
reasoningEffort: "low",
supportsTemperature: true,
defaultTemperature: 1,
inputPrice: 4.0,
outputPrice: 18.0,
cacheReadsPrice: 0.4,
cacheWritesPrice: 4.5,
tiers: [
{
contextWindow: 200_000,
inputPrice: 2.0,
outputPrice: 12.0,
cacheReadsPrice: 0.2,
},
{
contextWindow: Infinity,
inputPrice: 4.0,
outputPrice: 18.0,
cacheReadsPrice: 0.4,
},
],
},
"gemini-3-pro-preview": {
maxTokens: 65_536,
contextWindow: 1_048_576,