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💰 feat: Add gpt-5.3 context window and pricing (#12049)

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* 💰 feat: Add gpt-5.3 context window and pricing

* 💰 feat: Add OpenAI cached input pricing and `gpt-5.2-pro` model

    - Add cached input pricing (write/read) for gpt-4o, gpt-4.1, gpt-5.x,
      o1, o3, o4-mini models with correct per-family discount tiers
    - Add gpt-5.2-pro pricing ($21/$168), context window, and max output
    - Pro models (gpt-5-pro, gpt-5.2-pro) correctly excluded from cache
      pricing as OpenAI does not support caching for these

* 🔍 fix: Address review findings for OpenAI pricing

- Add o1-preview to cacheTokenValues (50% discount, same as o1)
- Fix comment to enumerate all models per discount tier
- Add cache tests for dated variants (gpt-4o-2024-08-06, etc.)
- Add gpt-5-mini/gpt-5-nano to 10% ratio invariant test
- Replace forEach with for...of in new test code
- Fix inconsistent test description phrasing
- Add gpt-5.3-preview to context window tests
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Danny Avila 2026-03-03 20:44:05 -05:00 • committed by GitHub
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4 changed files with 156 additions and 2 deletions
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24
api/models/tx.js
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@ -150,9 +150,11 @@ const tokenValues = Object.assign(
'gpt-5': { prompt: 1.25, completion: 10 },
'gpt-5.1': { prompt: 1.25, completion: 10 },
'gpt-5.2': { prompt: 1.75, completion: 14 },
'gpt-5.3': { prompt: 1.75, completion: 14 },
'gpt-5-nano': { prompt: 0.05, completion: 0.4 },
'gpt-5-mini': { prompt: 0.25, completion: 2 },
'gpt-5-pro': { prompt: 15, completion: 120 },
'gpt-5.2-pro': { prompt: 21, completion: 168 },
o1: { prompt: 15, completion: 60 },
'o1-mini': { prompt: 1.1, completion: 4.4 },
'o1-preview': { prompt: 15, completion: 60 },
@ -316,6 +318,28 @@ const cacheTokenValues = {
'claude-opus-4': { write: 18.75, read: 1.5 },
'claude-opus-4-5': { write: 6.25, read: 0.5 },
'claude-opus-4-6': { write: 6.25, read: 0.5 },
// OpenAI models — cached input discount varies by family:
// gpt-4o (incl. mini), o1 (incl. mini/preview): 50% off
// gpt-4.1 (incl. mini/nano), o3 (incl. mini), o4-mini: 75% off
// gpt-5.x (excl. pro variants): 90% off
// gpt-5-pro, gpt-5.2-pro: no caching
'gpt-4o': { write: 2.5, read: 1.25 },
'gpt-4o-mini': { write: 0.15, read: 0.075 },
'gpt-4.1': { write: 2, read: 0.5 },
'gpt-4.1-mini': { write: 0.4, read: 0.1 },
'gpt-4.1-nano': { write: 0.1, read: 0.025 },
'gpt-5': { write: 1.25, read: 0.125 },
'gpt-5.1': { write: 1.25, read: 0.125 },
'gpt-5.2': { write: 1.75, read: 0.175 },
'gpt-5.3': { write: 1.75, read: 0.175 },
'gpt-5-mini': { write: 0.25, read: 0.025 },
'gpt-5-nano': { write: 0.05, read: 0.005 },
o1: { write: 15, read: 7.5 },
'o1-mini': { write: 1.1, read: 0.55 },
'o1-preview': { write: 15, read: 7.5 },
o3: { write: 2, read: 0.5 },
'o3-mini': { write: 1.1, read: 0.275 },
'o4-mini': { write: 1.1, read: 0.275 },
// DeepSeek models - cache hit: $0.028/1M, cache miss: $0.28/1M
deepseek: { write: 0.28, read: 0.028 },
'deepseek-chat': { write: 0.28, read: 0.028 },