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fix(kiro): report 1M context window for claude-opus-4.8

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Add 1M context capability overrides for claude-opus-4.8 and -thinking
variants, and use the resolved capability contextWindow (fallback 200k)
instead of the hardcoded 200k estimate in the Kiro executor.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
EdisonPVE
2026-06-26 11:17:48 +07:00
committed by decolua
parent d4d11357ab
commit eb9728d084
3 changed files with 22 additions and 3 deletions
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7
open-sse/executors/kiro.js
View File

@@ -1,8 +1,10 @@
import { BaseExecutor } from "./base.js";
import { PROVIDERS } from "../config/providers.js";
import { resolveKiroModel } from "../config/kiroConstants.js";
import { v4 as uuidv4 } from "uuid";
import { refreshKiroToken } from "../services/tokenRefresh.js";
import { SSE_DONE, SSE_HEADERS } from "../utils/sseConstants.js";
import { getCapabilitiesForModel } from "../providers/capabilities.js";
/**
* KiroExecutor - Executor for Kiro AI (AWS CodeWhisperer)
@@ -101,6 +103,8 @@ export class KiroExecutor extends BaseExecutor {
let chunkIndex = 0;
const responseId = `chatcmpl-${Date.now()}`;
const created = Math.floor(Date.now() / 1000);
const capabilityModel = resolveKiroModel(model).upstream;
const contextWindow = getCapabilitiesForModel("kiro", capabilityModel).contextWindow || 200000;
const state = {
endDetected: false,
finishEmitted: false,
@@ -357,9 +361,8 @@ export class KiroExecutor extends BaseExecutor {
: 0;
// Estimate input tokens from contextUsagePercentage
// Kiro models typically have 200k context window
const estimatedInputTokens = state.contextUsagePercentage > 0
? Math.floor(state.contextUsagePercentage * 200000 / 100)
? Math.floor(state.contextUsagePercentage * contextWindow / 100)
: 0;
state.usage = {

6
open-sse/providers/capabilities.js
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@@ -71,10 +71,14 @@ export function capabilitiesFromServiceKind(kind) {
* otherwise mis-match. Only declare deltas vs DEFAULT.
*/
export const MODEL_CAPABILITIES = {
// Claude 4.6/4.7 have 1M context + adaptive thinking (override generic claude pattern)
// Claude 4.6/4.7/4.8 have 1M context + adaptive thinking (override generic claude pattern)
"claude-opus-4.6": { vision: true, reasoning: true, search: true, thinkingFormat: "claude-adaptive", contextWindow: 1000000, maxOutput: 128000 },
"claude-opus-4.7": { vision: true, reasoning: true, search: true, thinkingFormat: "claude-adaptive", contextWindow: 1000000, maxOutput: 128000 },
"claude-opus-4.8": { vision: true, reasoning: true, search: true, thinkingFormat: "claude-adaptive", contextWindow: 1000000, maxOutput: 128000 },
"claude-opus-4-6": { vision: true, reasoning: true, search: true, thinkingFormat: "claude-adaptive", contextWindow: 1000000, maxOutput: 128000 },
"claude-opus-4-8": { vision: true, reasoning: true, search: true, thinkingFormat: "claude-adaptive", contextWindow: 1000000, maxOutput: 128000 },
"claude-opus-4.8-thinking": { vision: true, reasoning: true, search: true, thinkingFormat: "claude-adaptive", contextWindow: 1000000, maxOutput: 128000 },
"claude-opus-4-8-thinking": { vision: true, reasoning: true, search: true, thinkingFormat: "claude-adaptive", contextWindow: 1000000, maxOutput: 128000 },
"claude-sonnet-4.6": { vision: true, reasoning: true, search: true, thinkingFormat: "claude-adaptive", contextWindow: 1000000, maxOutput: 64000 },
"claude-sonnet-4-6": { vision: true, reasoning: true, search: true, thinkingFormat: "claude-adaptive", contextWindow: 1000000, maxOutput: 64000 },

12
tests/unit/capabilities.test.js Normal file
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@@ -0,0 +1,12 @@
import { describe, expect, it } from "vitest";
import { getCapabilitiesForModel } from "../../open-sse/providers/capabilities.js";
describe("getCapabilitiesForModel", () => {
it("reports Kiro Claude Opus 4.8 as a 1M context model", () => {
expect(getCapabilitiesForModel("kiro", "claude-opus-4.8").contextWindow).toBe(1000000);
expect(getCapabilitiesForModel("kiro", "anthropic/claude-opus-4.8").contextWindow).toBe(1000000);
expect(getCapabilitiesForModel("kiro", "claude-opus-4-8").contextWindow).toBe(1000000);
expect(getCapabilitiesForModel("kiro", "claude-opus-4.8-thinking").contextWindow).toBe(1000000);
expect(getCapabilitiesForModel("kiro", "claude-opus-4-8-thinking").contextWindow).toBe(1000000);
});
});