Claude Opus 5

✅ Active

Claude 5 generation Opus model with a 1M context window, adaptive thinking, and Fast Mode; superseded by Opus 5.5

Provider list prices

Context Window

Input Price

$5.00/1M

Output Price

$25.00/1M

Released

Jul 24, 2026

Capabilities

textvisionextended-thinkingtool-usecode

Crazyrouter API catalogue

Crazyrouter prices: $3.25 / $16.25

Catalogue checked: 2026-10-10T14:22:39+00:00. USD per 1M tokens, default group. The first context tier is shown; long contexts may cost more. This is a gateway catalogue snapshot, not a provider release announcement.

Get API Access →Current API models

curl https://crazyrouter.com/v1/chat/completions \
  -H "Authorization: Bearer $CRAZYROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"claude-opus-5","messages":[{"role":"user","content":"Hello"}],"max_tokens":64}'

Version History

Sep 22, 2026Update

Moved to the legacy model list after the release of Claude Opus 5.5; remains available for compatibility and migration comparisons

Jul 24, 2026New Release

Claude Opus 5 released as the successor to Opus 4.8 with a 1M context window, adaptive thinking with low/medium/high/xhigh/max effort, and Fast Mode output about 2.5x faster

Jul 24, 2026Pricing Change

Pricing set at $5.00 per 1M input tokens and $25.00 per 1M output tokens; cached input $0.50 per 1M tokens

Jul 24, 2026Update

Claude Opus 5 replaced Opus 4.8 as the default model on the Claude Max plan