AI benchmarks and leaderboards are different things
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LLM Stats
FrontierCode
FrontierCode is Cognition's coding evaluation that tests whether models can pass difficult coding tasks while meeting the standards of high-quality production codebases. The Diamond subset contains the hardest problems.
Evaluation context and evidence
- Source
- LLM Stats
- Publisher
- Not recorded
- Benchmark release
- Not recorded
- Collected
- 2026-08-17
- Modality
- text
These are source-reported observations, not independent reruns by this site. Check the task version, evaluation protocol, unit and reporting date before comparing models. Results from different setups are not a universal ranking.
Original sources
Reported results 4
Shown in source observation order, not ranked. Dates retain the precision provided by the source.
| Model | Value | Unit | Protocol | Reported date and basis | Source |
|---|---|---|---|---|---|
| Grok 4.6 | 0.613 | Not recorded | Not recorded | 2026-08-12 · model_announcement | LLM Stats |
| Claude Opus 5 | 0.534 | Not recorded | Not recorded | 2026-07-24 · model_announcement | LLM Stats |
| Claude Fable 5 | 0.463 | Not recorded | Not recorded | 2026-06-09 · model_announcement | LLM Stats |
| Claude Sonnet 5 | 0.388 | Not recorded | Not recorded | 2026-06-30 · model_announcement | LLM Stats |