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fix: add Claude 5 models to output-price table #744

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fix: add Claude 5 models to output-price table #744

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5 changes: 5 additions & 0 deletions src/hooks/caveman-stats.js
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,11 @@ const COMPRESSION = { 'full': 0.65 };
// https://www.anthropic.com/pricing if a release changes the tier.
// Most-specific prefixes MUST come first — priceForModel returns the first match.
const MODEL_OUTPUT_PRICE_PER_M = [
// Claude 5 generation.
['claude-fable-5', 50.00], // Fable 5 = $50/M output
['claude-mythos-5', 50.00], // Mythos 5 = same rate card as Fable 5
['claude-opus-5', 25.00], // Opus 5 = $25/M output (Opus tier unchanged since 4.5)
['claude-sonnet-5', 15.00], // Sonnet 5 = $15/M list ($10/M intro through 2026-08-31)
// Legacy Opus 4.0 / 4.1 (pre-4.5) billed at the old $75/M output tier,
// including the dated ids (e.g. claude-opus-4-20250514).
['claude-opus-4-0', 75.00],
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12 changes: 12 additions & 0 deletions tests/test_caveman_stats.js
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Expand Up @@ -171,6 +171,18 @@ test('priceForModel matches by prefix across point releases', () => {
assert.strictEqual(priceForModel('gpt-4'), null);
});

test('priceForModel covers the Claude 5 generation', () => {
const { priceForModel } = require(path.join(ROOT, 'src', 'hooks', 'caveman-stats.js'));
assert.strictEqual(priceForModel('claude-opus-5'), 25.00);
assert.strictEqual(priceForModel('claude-sonnet-5'), 15.00);
assert.strictEqual(priceForModel('claude-fable-5'), 50.00);
assert.strictEqual(priceForModel('claude-mythos-5'), 50.00);
// Claude Code reports the 1M-context variant with a bracket suffix.
assert.strictEqual(priceForModel('claude-opus-5[1m]'), 25.00);
// Claude 5 entries must not shadow the Claude 4 prefixes.
assert.strictEqual(priceForModel('claude-opus-4-8'), 25.00);
});

test('formatStats handles empty session gracefully', () => {
const { formatStats } = require(path.join(ROOT, 'src', 'hooks', 'caveman-stats.js'));
const out = formatStats({ outputTokens: 0, cacheReadTokens: 0, turns: 0, mode: 'full', model: null });
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