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openai/gpt-5-fast pricing

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openai/gpt-5-fast · Vercel AI Gateway · context —

Price per 1M tokens

In effect since Oct 15, 2026

openai/gpt-5-fast token prices
Input (uncached)$2.50
OutputIncludes reasoning tokens$20.00
Cache read$0.25
  • No long-context tier: one rate for every prompt size.

Price history

1 version since Oct 15, 2026

  • Input
  • Output
Show data as table
openai/gpt-5-fast price history per 1M tokens
Effective fromInput / 1MOutput / 1M
Oct 15, 2026$2.50$20.00
Oct 16, 2026$2.50$20.00

Cost calculator

Calculated with the same function that AI Cost Map uses for your real events.

Includes reasoning tokens.

Read from the prompt cache.

Cost per call

$0.0150

Cost per month

$1,500.00

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