openrouter-benchmarks — Claude Code skill: model rankings

What openrouter-benchmarks does

The skill calls GET /api/v1/benchmarks and returns rows of model scores. Artificial Analysis supplies intelligence_index, coding_index and agentic_index, where higher is better. Design Arena gives elo, win_rate, generation time, arena and category. Filtering stays simple: source, task_type with coding, intelligence or agentic, plus arena and category for Design Arena. There is also max_results.

Set OPENROUTER_API_KEY first — any valid OpenRouter key works, and benchmarks do not need a management key. The skill does not hand you a winner right away. It checks availability through GET /api/v1/models and provider endpoints, because a benchmark model_permaslug is not always the routable model ID. When no exact id match exists but a model carries a matching canonical_slug, the row counts as evidence for that family rather than a ready recommendation. Candidates with degraded endpoints or zero uptime drop out of the primary list.

The two sources use different scales, so the skill keeps them apart instead of building one absolute leaderboard — compare within a source. For creative writing and editing there is no direct prose-quality benchmark here; intelligence_index is only a weak general-capability signal. Citation metadata meta.citation, meta.source_url and meta.as_of is preserved when results are republished.