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fix(opencode): add Claude model aliases for dot-notation version names #868

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fix(opencode): add Claude model aliases for dot-notation version names #868

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7 changes: 7 additions & 0 deletions apps/opencode/src/cost-utils.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,13 @@ import { Result } from '@praha/byethrow';
const MODEL_ALIASES: Record<string, string> = {
// OpenCode uses -high suffix for higher tier/thinking mode variants
'gemini-3-pro-high': 'gemini-3-pro-preview',
// OpenCode uses dot notation for Claude version numbers (e.g. 4.5),
// but LiteLLM uses hyphens (e.g. 4-5)
'claude-haiku-4.5': 'claude-haiku-4-5',
'claude-opus-4.5': 'claude-opus-4-5',
'claude-opus-4.6': 'claude-opus-4-6',
'claude-sonnet-4.5': 'claude-sonnet-4-5',
'claude-sonnet-4.6': 'claude-sonnet-4-6',
};

function resolveModelName(modelName: string): string {
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