Benchmark profile
International Mathematical Olympiad 2026 (IMO 2026)
Proof-based olympiad performance on all six IMO 2026 problems.
Data verifiedBenchmark score on IMO 2026 — July 24, 2026
BenchLM mirrors the published score view for IMO 2026. Claude Opus 5 leads the public snapshot at 42/42. BenchLM does not use these results to rank models overall.
Benchmark score table (1 model)
ScoreAbout IMO 2026
Year
2026
Tasks
6 proof-based problems
Format
Official-style proof score
Difficulty
International olympiad mathematics
Section 8.6 reports four independent no-tool solutions per problem. All 24 were accepted by a three-model panel, and human experts awarded one pre-specified solution per problem full credit.
BenchLM freshness & provenance
Version
IMO 2026 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 IMO 2026 measure?
Proof-based olympiad performance on all six IMO 2026 problems.
Which model scores highest on IMO 2026?
Claude Opus 5 by Anthropic currently leads with a score of 42/42 on IMO 2026.
How many models are evaluated on IMO 2026?
1 AI models have been evaluated on IMO 2026 on BenchLM.