Key Info
OpenRouter’s check-in one week after Opus 5.5 launch shows it ranks #1 in share of spend and tokens among Anthropic models, with notably fast switching from Opus 5.
Highlights
- Opus 5.5 claimed the top spot in both spend share and token share on OpenRouter within seven days.
- Migration from Opus 5 to Opus 5.5 has been especially rapid, according to the platform.
- The data reflects real usage patterns across the OpenRouter ecosystem, not just marketing buzz.
