Claude Mythos 5 preview

$10
Input / MTok
$50
Output / MTok
$1
Cache read / MTok

Limited availability.

API identifier claude-mythos-5 · Context 1,000,000 tokens · vendor pricing page

Full price sheet

MetricUSD / million tokens
Input$10
Output$50
Cache read$1
Cache write (5m)$12.5
Cache write (1h)$20
Batch input$5
Batch output$25

Price history

ObservedMetric Price
2026-08-07 12:06:21 Input $10
2026-08-07 12:06:21 Output $50
2026-08-07 12:06:21 Cache read $1
2026-08-07 12:06:21 Cache write (5m) $12.5
2026-08-07 12:06:21 Cache write (1h) $20
2026-08-07 12:06:21 Batch input $5
2026-08-07 12:06:21 Batch output $25

Current prices are free and always will be. The full series — every observation since we started watching, which nobody can reconstruct after the fact — is the part Pro pays for.

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