Comparison · prices as of 2026-07-04

Claude Opus 4.5 vs Claude Haiku 4.5

On price alone, Claude Haiku 4.5 (Anthropic) runs about 80% cheaper than Claude Opus 4.5 for a typical chat workload (2K input + 500 output tokens, 1,000 requests/day). Whether that's the right trade depends on the capability gap — pricing below, verify quality on your own evals.

Spec Claude Opus 4.5 Claude Haiku 4.5
Input / MTok $5 $1
Output / MTok $25 $5
Context window 200K 200K
Max output 64K 64K
Class frontier fast
Reference workload / month $675.00 $135.00

Sources: Anthropic pricing · Anthropic pricing. Run your own numbers in the cost calculator.