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The launch offer

Start building. Spend half.

Pay $100 and get $200 in model credits during launch. Usage always deducts at base model rates. Credits you’ve already purchased keep their value when the offer changes.

Pay as you goNo subscriptionTransparent token rates
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Purchases from $5 to $10,000. No expiry or automatic recharge. API access is still in development.

Effective token costs with new credits

USD per 1M tokens · Standard short context
ModelInputCached inputOutput
GPT-6.1 Sol$1.00$0.05$5.00
GPT-6.1 Terra$0.50$0.025$2.50
GPT-6 Luna$0.05$0.005$0.25
GPT-6 Astra$5.00$0.50$25.00
GPT-5.4 mini$0.375$0.0375$2.25
GPT-4.1$1.00$0.25$4.00

Preview catalog based on OpenAI’s published rates, checked November 9, 2026. Cache writes, long contexts, other processing tiers, and hosted tools have separate rates.

Estimate your spend
A simple estimate for standard input and output tokens.

Effective cost with a new credit purchase

$2.25

OpenAI list price: $4.50

You save $2.25

Estimate only. Assumes uncached input at standard short-context rates across your requests. Excludes cache writes, hosted tools, premium processing, and taxes. Your model-credit balance deducts at base model rates; the purchase offer determines what you paid for those credits.

A few things you might be wondering.