Skip to content

fix(pricing): resolve fable/mythos canary variants via fuzzy match #188

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
pitimon merged 1 commit into from
Aug 22, 2026
Merged

fix(pricing): resolve fable/mythos canary variants via fuzzy match #188

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions src/lib/pricing/curated-overrides.json
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -68,6 +68,8 @@
{ "match": "kiro", "ref": "kiro-cli-agent" },
{ "match": "hy3", "ref": "hy3-preview-agent" },
{ "match": "composer", "ref": "composer-1" },
{ "match": "fable", "ref": "claude-fable-5" },
{ "match": "mythos", "ref": "claude-mythos-5" },
{ "match": "minimax-m2.7-highspeed", "ref": "MiniMax-M2.7-highspeed" },
{ "match": "minimax-m2.7", "ref": "MiniMax-M2.7" },
{ "match": "deepseek-v4-flash", "ref": "deepseek-v4-flash" },
Expand Down
10 changes: 10 additions & 0 deletions test/pricing.test.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -475,6 +475,16 @@ test("index: getModelPricing pins Claude Fable/Mythos 5 pricing from curated ove
assert.equal(pinned.cache_write, 12.5);
}

// Regression (issue #187): auto-pilot/canary variants wrap the pinned name
// with extra prefix/suffix segments (e.g. "claude-auto-pilot-fable-v1-canary"),
// so "fable"/"mythos" is not a contiguous substring of "claude-fable-5"/
// "claude-mythos-5" — every non-fuzzy resolution tier misses on these ids.
for (const model of ["claude-auto-pilot-fable-v1-canary", "claude-mythos-v1-canary"]) {
const pinned = pricing.getModelPricing(model);
assert.equal(pinned.input, 10, `${model} should resolve to the Fable/Mythos pin`);
assert.equal(pinned.output, 50, `${model} should resolve to the Fable/Mythos pin`);
}

assert.equal(
pricing.computeRowCost({
source: "claude",
Expand Down