Benchmark profile
PostTrain Bench
A software-engineering benchmark for post-training infrastructure and implementation tasks, evaluated through the official Harbor implementation.
Data verifiedBenchmark score on PostTrain Bench — July 16, 2026
BenchLM mirrors the published score view for PostTrain Bench. Kimi K3 leads the public snapshot at 36.6%. BenchLM does not use these results to rank models overall.
Benchmark score table (1 model)
ScoreAbout PostTrain Bench
Year
2026
Tasks
Post-training software-engineering tasks
Format
Harbor agent evaluation
Difficulty
Frontier software engineering
Moonshot evaluates Kimi K3 at maximum reasoning effort with the official Harbor implementation and Claude Code harness, averaged over three runs. BenchLM stores the provider-exact value as display-only launch evidence.
BenchLM freshness & provenance
Version
PostTrain Bench 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.
FAQ
What does PostTrain Bench measure?
A software-engineering benchmark for post-training infrastructure and implementation tasks, evaluated through the official Harbor implementation.
Which model scores highest on PostTrain Bench?
Kimi K3 by Moonshot AI currently leads with a score of 36.6% on PostTrain Bench.
How many models are evaluated on PostTrain Bench?
1 AI models have been evaluated on PostTrain Bench on BenchLM.
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