Anthropic · Flagship
Claude Opus 5 API pricing
$5.00 / 1M input tokens · $25.00 / 1M output tokens
📊Cheaper than 2 of the other 24 models we track, pricier than 22 — rank 23 of 25 by input price.
Pricing note: Optional "fast mode" (research preview) available at $10 / $50, first-party API only.
Within the flagship tier (5 models we track), the average input rate is $5.80/1M — Claude Opus 5 runs about 14% below that average.
Output tokens cost 5.0x the input rate for Claude Opus 5 — above the 4.6x average across all tracked models.
Provider
Anthropic
Tier
Flagship
Input /1M tokens
$5.00
Output /1M tokens
$25.00
Context window
1M tokens
Verified
September 10, 2026