feat(models): add Gemini 3.8 Flash tiers to Antigravity and AGY catalogs

2026-09-21 06:12:17 +03:00 · 2026-09-11 13:56:38 +07:00
parent cde49c9372
commit fdc4b59d34
7 changed files with 101 additions and 3 deletions
--- a/open-sse/config/antigravityModelAliases.ts
+++ b/open-sse/config/antigravityModelAliases.ts
@@ -15,6 +15,10 @@ export const ANTIGRAVITY_MODEL_ALIASES = Object.freeze({
  "gemini-3.7-flash-high": "gemini-3.7-flash-tiered",
  "gemini-3.7-flash-medium": "gemini-3.7-flash-tiered",
  "gemini-3.7-flash-low": "gemini-3.7-flash-tiered",
+  "gemini-3.8-flash": "gemini-3.8-flash-tiered",
+  "gemini-3.8-flash-high": "gemini-3.8-flash-tiered",
+  "gemini-3.8-flash-medium": "gemini-3.8-flash-tiered",
+  "gemini-3.8-flash-low": "gemini-3.8-flash-tiered",
  "gpt-oss-120b": "gpt-oss-120b-medium",
  // gemini-3.1-pro-low is not aliased: the upstream accepts it verbatim.
  // gemini-3.1-pro-high: the discovery slot returns HTTP 400 on v1internal;
--- a/open-sse/config/antigravitySharedModels.ts
+++ b/open-sse/config/antigravitySharedModels.ts
@@ -43,6 +43,43 @@ export const ANTIGRAVITY_SHARED_MODELS = Object.freeze([
    supportsVision: true,
    toolCalling: true,
  },
+  // Gemini 3.8 Flash tiers.
+  {
+    id: "gemini-3.8-flash-high",
+    name: "Gemini 3.8 Flash (High)",
+    contextLength: 1048576,
+    maxOutputTokens: 65536,
+    supportsReasoning: true,
+    supportsVision: true,
+    toolCalling: true,
+  },
+  {
+    id: "gemini-3.8-flash-medium",
+    name: "Gemini 3.8 Flash (Medium)",
+    contextLength: 1048576,
+    maxOutputTokens: 65536,
+    supportsReasoning: true,
+    supportsVision: true,
+    toolCalling: true,
+  },
+  {
+    id: "gemini-3.8-flash-low",
+    name: "Gemini 3.8 Flash (Low)",
+    contextLength: 1048576,
+    maxOutputTokens: 65536,
+    supportsReasoning: true,
+    supportsVision: true,
+    toolCalling: true,
+  },
+  {
+    id: "gemini-3.8-flash-tiered",
+    name: "Gemini 3.8 Flash (Tiered)",
+    contextLength: 1048576,
+    maxOutputTokens: 65536,
+    supportsReasoning: true,
+    supportsVision: true,
+    toolCalling: true,
+  },
  // Gemini 3.1 Pro budget tiers. Live streamGenerateContent validation uses
  // `gemini-pro-agent` for High; the separately advertised `gemini-3.1-pro-high`
  // discovery slot currently returns HTTP 400 and is intentionally not public.
--- a/src/lib/providerModels/managedModelImport.ts
+++ b/src/lib/providerModels/managedModelImport.ts
@@ -400,7 +400,7 @@ export async function importManagedModels({
    // table already knows only has a safe "-tiered" target to always resolve there,
    // regardless of what any single connection's discovery reported.
    for (const [displayId, safeTarget] of Object.entries(ANTIGRAVITY_MODEL_ALIASES)) {
-      if (safeTarget === "gemini-3.7-flash-tiered") {
+      if (safeTarget === "gemini-3.7-flash-tiered" || safeTarget === "gemini-3.8-flash-tiered") {
        mappings[displayId] = `antigravity/${safeTarget}`;
      }
    }
--- a/src/shared/constants/modelSpecs.ts
+++ b/src/shared/constants/modelSpecs.ts
@@ -283,6 +283,53 @@ export const MODEL_SPECS: Record<string, ModelSpec> = {
    supportsTools: true,
    supportsVision: true,
  },
+  // ── Gemini 3.8 Flash (current Antigravity/AGY live tiers) ─────────
+  "gemini-3.8-flash-high": {
+    maxOutputTokens: 65536,
+    contextWindow: 1048576,
+    defaultThinkingBudget: 24576,
+    thinkingBudgetCap: 24576,
+    supportsThinking: true,
+    supportsTools: true,
+    supportsVision: true,
+  },
+  "gemini-3.8-flash-medium": {
+    maxOutputTokens: 65536,
+    contextWindow: 1048576,
+    defaultThinkingBudget: 8192,
+    thinkingBudgetCap: 24576,
+    supportsThinking: true,
+    supportsTools: true,
+    supportsVision: true,
+  },
+  "gemini-3.8-flash-low": {
+    maxOutputTokens: 65536,
+    contextWindow: 1048576,
+    defaultThinkingBudget: 1024,
+    thinkingBudgetCap: 24576,
+    supportsThinking: true,
+    supportsTools: true,
+    supportsVision: true,
+  },
+  "gemini-3.8-flash": {
+    maxOutputTokens: 65536,
+    contextWindow: 1048576,
+    defaultThinkingBudget: 8192,
+    thinkingBudgetCap: 24576,
+    supportsThinking: true,
+    supportsTools: true,
+    supportsVision: true,
+    aliases: ["gemini-3.8-flash-tiered"],
+  },
+  "gemini-3.8-flash-tiered": {
+    maxOutputTokens: 65536,
+    contextWindow: 1048576,
+    defaultThinkingBudget: 8192,
+    thinkingBudgetCap: 24576,
+    supportsThinking: true,
+    supportsTools: true,
+    supportsVision: true,
+  },

  // Provider-neutral compatibility for providers that still serve Gemini 3.6.
  // Antigravity/AGY availability is governed by their own provider catalogs and
--- a/tests/unit/agy-gemini-3696-tier-passthrough.test.ts
+++ b/tests/unit/agy-gemini-3696-tier-passthrough.test.ts
@@ -18,9 +18,10 @@ test("(#3696) non-tiered ANTIGRAVITY_PUBLIC_MODELS entries resolve to distinct u
  const seen = new Map<string, string>();
  const collisions: string[] = [];
  for (const model of ANTIGRAVITY_PUBLIC_MODELS) {
-    // Gemini 3.7 Flash tiers intentionally share the upstream `gemini-3.7-flash-tiered`
+    // Gemini 3.7 and 3.8 Flash tiers intentionally share their upstream `*-tiered`
    // endpoint with different reasoning token budgets.
-    if (model.id.startsWith("gemini-3.7-flash")) continue;
+    if (model.id.startsWith("gemini-3.7-flash") || model.id.startsWith("gemini-3.8-flash"))
+      continue;
    const upstream = resolveAntigravityModelId(model.id);
    if (seen.has(upstream)) {
      collisions.push(`${model.id} and ${seen.get(upstream)} both resolve to "${upstream}"`);
--- a/tests/unit/antigravity-model-aliases.test.ts
+++ b/tests/unit/antigravity-model-aliases.test.ts
@@ -62,6 +62,11 @@ test("resolveAntigravityModelId maps the documented Antigravity aliases to upstr
  }
  assert.equal(resolveAntigravityModelId("gemini-3.7-flash"), "gemini-3.7-flash-tiered");
  assert.equal(resolveAntigravityModelId("gemini-3.7-flash-tiered"), "gemini-3.7-flash-tiered");
+  assert.equal(resolveAntigravityModelId("gemini-3.8-flash"), "gemini-3.8-flash-tiered");
+  assert.equal(resolveAntigravityModelId("gemini-3.8-flash-high"), "gemini-3.8-flash-tiered");
+  assert.equal(resolveAntigravityModelId("gemini-3.8-flash-medium"), "gemini-3.8-flash-tiered");
+  assert.equal(resolveAntigravityModelId("gemini-3.8-flash-low"), "gemini-3.8-flash-tiered");
+  assert.equal(resolveAntigravityModelId("gemini-3.8-flash-tiered"), "gemini-3.8-flash-tiered");
  assert.equal(resolveAntigravityModelId("gpt-oss-120b"), "gpt-oss-120b-medium");
  assert.equal(resolveAntigravityModelId("gemini-claude-sonnet-4-5"), "claude-sonnet-4-6");
  assert.equal(resolveAntigravityModelId("gemini-claude-sonnet-4-5-thinking"), "claude-sonnet-4-6");
--- a/tests/unit/antigravity-retired-public-models.test.ts
+++ b/tests/unit/antigravity-retired-public-models.test.ts
@@ -36,6 +36,10 @@ const EXPECTED_LEADING_MODEL_ORDER = [
  "gemini-3.7-flash-medium",
  "gemini-3.7-flash-low",
  "gemini-3.7-flash-tiered",
+  "gemini-3.8-flash-high",
+  "gemini-3.8-flash-medium",
+  "gemini-3.8-flash-low",
+  "gemini-3.8-flash-tiered",
  "gemini-pro-agent",
  "gemini-3.1-pro-low",
  "gemini-3.1-flash-lite",