How much inference does $1 buy?

AI APIs and subscriptions ranked by tokens per dollar, at each vendor's own prices. Value vs API shows how many dollars of pay-as-you-go usage each dollar gets you.

Most tokens per $1
5M tokens / $1
OpenAI API · GPT-6 Luna
Best frontier-model deal
≈4.44M tokens / $1
Google AI Ultra 20x · Gemini 3.1 Pro
Best frontier pay-as-you-go
250K tokens / $1
Claude Batch API · Claude Opus 5.5
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1
$2 in · $10 out per 1M tokens
Claude Opus 5.5 · Frontier
Claude Opus 5.5
Frontier
250K tokens2.0× API value2.0×
2
$2 in · $12 out per 1M tokens
Gemini 3.1 Pro · Frontier
Gemini 3.1 Pro
Frontier
222K tokens1.0× API value1.0×
3
$4 in · $20 out per 1M tokens
Claude Opus 5.5 · Frontier
Claude Opus 5.5
Frontier
125K tokens1.0× API value1.0×
4
$5 in · $30 out per 1M tokens
GPT-5.5 · Frontier
GPT-5.5
Frontier
88.9K tokens1.0× API value1.0×
5
$10 in · $50 out per 1M tokens
Claude Fable 5.1 · Frontier
Claude Fable 5.1
Frontier
50K tokens1.0× API value1.0×
6
$10 in · $50 out per 1M tokens
GPT-6 Astra · Frontier
GPT-6 Astra
Frontier
50K tokens1.0× API value1.0×

Tokens are blended at 3 input : 1 output. Subscription allowances are not published as token counts, so rows marked est. use estimates. How the numbers work →