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feat: add GPT-5.4 to known models #805

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Merged
FL4TLiN3 merged 4 commits into from
Mar 15, 2026
Merged

feat: add GPT-5.4 to known models #805

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3ae2ff1
feat: add GPT-5.4 to known models for openai provider
FL4TLiN3 Mar 15, 2026
b9f98da
feat: add GPT-5.4 Pro to known models for openai provider
FL4TLiN3 Mar 15, 2026
1aa2cf5
revert: remove gpt-5.4-pro (structured outputs not supported)
FL4TLiN3 Mar 15, 2026
9e3e602
feat: add Gemini 3.1 Pro Preview and Gemini 3.1 Flash Lite Preview to…
FL4TLiN3 Mar 15, 2026
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5 changes: 5 additions & 0 deletions .changeset/add-gpt-5-4.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
"perstack": patch
---

feat: add GPT-5.4, Gemini 3.1 Pro Preview, and Gemini 3.1 Flash Lite Preview to known models
21 changes: 21 additions & 0 deletions packages/core/src/known-models/index.ts
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Expand Up @@ -70,6 +70,13 @@ export const knownModels = [
{
provider: "google",
models: [
// https://ai.google.dev/gemini-api/docs/models/gemini-3.1-pro-preview
{
name: "gemini-3.1-pro-preview",
tier: "high" as const,
contextWindow: 1_048_576,
maxOutputTokens: 65_536,
},
// https://ai.google.dev/gemini-api/docs/models#gemini-3-flash
{
name: "gemini-3-flash-preview",
Expand Down Expand Up @@ -98,6 +105,13 @@ export const knownModels = [
contextWindow: 1_048_576,
maxOutputTokens: 65_536,
},
// https://ai.google.dev/gemini-api/docs/models/gemini-3.1-flash-lite-preview
{
name: "gemini-3.1-flash-lite-preview",
tier: "low" as const,
contextWindow: 1_048_576,
maxOutputTokens: 65_536,
},
// https://ai.google.dev/gemini-api/docs/models#gemini-2.5-flash-lite
{
name: "gemini-2.5-flash-lite",
Expand All @@ -110,6 +124,13 @@ export const knownModels = [
{
provider: "openai",
models: [
// https://developers.openai.com/api/docs/models/gpt-5.4
{
name: "gpt-5.4",
tier: "high" as const,
contextWindow: 1_050_000,
maxOutputTokens: 128_000,
},
// https://platform.openai.com/docs/models/gpt-5.2-pro
{
name: "gpt-5.2-pro",
Expand Down
12 changes: 6 additions & 6 deletions packages/core/src/known-models/model-tiers.test.ts
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Expand Up @@ -27,13 +27,13 @@ describe("@perstack/core: resolveModelTier", () => {
it("resolves openai tiers", () => {
expect(resolveModelTier("openai", "low")).toBe("gpt-5-nano")
expect(resolveModelTier("openai", "middle")).toBe("gpt-5-mini")
expect(resolveModelTier("openai", "high")).toBe("gpt-5.2-pro")
expect(resolveModelTier("openai", "high")).toBe("gpt-5.4")
})

it("resolves google tiers", () => {
expect(resolveModelTier("google", "low")).toBe("gemini-2.5-flash-lite")
expect(resolveModelTier("google", "low")).toBe("gemini-3.1-flash-lite-preview")
expect(resolveModelTier("google", "middle")).toBe("gemini-3-flash-preview")
expect(resolveModelTier("google", "high")).toBe("gemini-3-pro-preview")
expect(resolveModelTier("google", "high")).toBe("gemini-3.1-pro-preview")
})

it("resolves deepseek tiers", () => {
Expand All @@ -48,13 +48,13 @@ describe("@perstack/core: resolveModelTier", () => {
})

it("falls back to base provider for cloud-hosted providers", () => {
expect(resolveModelTier("azure-openai", "high")).toBe("gpt-5.2-pro")
expect(resolveModelTier("azure-openai", "high")).toBe("gpt-5.4")
expect(resolveModelTier("azure-openai", "middle")).toBe("gpt-5-mini")
expect(resolveModelTier("azure-openai", "low")).toBe("gpt-5-nano")
expect(resolveModelTier("amazon-bedrock", "high")).toBe("claude-opus-4-6")
expect(resolveModelTier("amazon-bedrock", "low")).toBe("claude-haiku-4-5")
expect(resolveModelTier("google-vertex", "high")).toBe("gemini-3-pro-preview")
expect(resolveModelTier("google-vertex", "low")).toBe("gemini-2.5-flash-lite")
expect(resolveModelTier("google-vertex", "high")).toBe("gemini-3.1-pro-preview")
expect(resolveModelTier("google-vertex", "low")).toBe("gemini-3.1-flash-lite-preview")
})

it("returns undefined for provider with no matching tier", () => {
Expand Down