Kimi Code Bench 3.0 Long-horizon (Internal) (Kimi Code Bench 3.0 Long-horizon)
We show this table for reference; we do not rank on it.
Moonshot AI's internal long-horizon coding-agent benchmark, the successor to Kimi Code Bench 2.0.
Benchmark score on Kimi Code Bench 3.0 Long-horizon — October 29, 2026
We compile the Kimi Code Bench 3.0 Long-horizon rows from provider self-reports. Kimi K3.1 Pro leads the table at 61.2%. We do not use these results to rank models overall.
1 modelCodingCurrentDisplay onlyUpdated October 29, 2026
Benchmark score table (1 model)
| Rank | Model / configuration | Score | Parameters (B) | Open / closed |
|---|---|---|---|---|
| 1 | Kimi K3.1 ProMoonshot AI | 61.2% | Not reported | Pending |
About Kimi Code Bench 3.0 Long-horizon
Year
2026
Tasks
Internal long-horizon coding-agent tasks
Format
Coding-agent pass rate
Difficulty
Long-horizon software engineering
Moonshot evaluates Kimi models with Claude Code harnesses and other models at their max-effort settings, and notes that proprietary-model runs may involve fallback behavior. BenchLM stores the provider-published internal benchmark value as display-only launch evidence and does not treat it as an independently reproducible score.
Freshness and provenance
Version
Kimi Code Bench 3.0 Long-horizon 2026
Refresh cadence
Quarterly
Staleness state
Current
Question availability
Public benchmark set
BenchLM uses freshness metadata to decide whether a benchmark should still be treated as a strong differentiator, a benchmark to watch, or a display-only reference. For the full scoring policy, see the BenchLM methodology page.
Questions
What does Kimi Code Bench 3.0 Long-horizon measure?
Moonshot AI's internal long-horizon coding-agent benchmark, the successor to Kimi Code Bench 2.0.
Which model scores highest on Kimi Code Bench 3.0 Long-horizon?
Kimi K3.1 Pro by Moonshot AI currently leads with a score of 61.2% on Kimi Code Bench 3.0 Long-horizon.
How many models are evaluated on Kimi Code Bench 3.0 Long-horizon?
1 AI models have published results on Kimi Code Bench 3.0 Long-horizon in the BenchLM catalog.
Know when it’s worth switching models
The model to choose, the cheaper alternative, and the release we would wait on.
Read a sample issueJoin 6,100+ subscribers.
One email each week. Unsubscribe anytime.