GPT Luna Latest API price

Last 90 days

Price changes

1. September 23, 2026input $0.20 → $0.10, output $1.20 → $0.50

What the numbers say

• Last price change on September 23, 2026: input $0.20 → $0.10, output $1.20 → $0.50 per million tokens.
• Input costs less than 79% of the 443 paid models we track.
• Context window ranks #4 of 459 models.

Closest in price

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• Gemini 2.5 Flash LiteGoogle$0.10 / $0.40
• Llama 4 ScoutMeta$0.10 / $0.30
• Muse EmberMeta$0.10 / $0.50