Benchmark
FrontierCode Benchmark
What is FrontierCode?
FrontierCode is Cognition's coding evaluation that tests whether models can pass difficult coding tasks while meeting the standards of high-quality production…
- Modality
- text
- Evaluates
- reasoning, agents, code
- Openness
- unknown
- Importer
- LLM Stats
- Reported scores
- 4
Source provenance
- Original evidence https://api.zeroeval.com/leaderboard/benchmarks/frontiercode?top_n=500
FrontierCode results and reported scores
LLM Stats
| Model | Organization | Reported value | Reported | Evidence |
|---|---|---|---|---|
| Claude Fable 5 | Anthropic | 0.463 | 2026-06-09 | evidence |
| Claude Opus 5 | Anthropic | 0.534 | 2026-07-24 | evidence |
| Claude Sonnet 5 | Anthropic | 0.388 | 2026-06-30 | evidence |
| Grok 4.6 | xAI | 0.613 | 2026-08-12 | evidence |
Scores are partitioned by the source that reported them and are never merged into a single cross-source ranking, because the sources measure different things and say so.