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aiqbench

Stepfun · model passport

Step 1o Turbo 202506

step-1o-turbo-202506
  • Cloud only
  • Proprietary licence
  • Released 2026-10-09(first seen on LMArena)
5/27axes covered
Overall · LMArena
1,320#241 of 396
Best percentile
41.4Hard prompts
Cohort standing
42.7median 60.6

What the data says

Benchmarked on 5 of 27 tracked axes. Every figure below is the model's own published result on that board.

Uneven: 7.4 percentile points between its best and worst axis — 41.4 pct on Hard prompts versus 34 pct on Vision Arena.

  • Hard prompts41.4 pct1,332Verify →
  • Instruction following40.4 pct1,306Verify →
  • Overall39.4 pct1,320Verify →
  • Coding36.1 pct1,351Verify →
  • Vision Arena34 pct1,156Verify →
  • WebDev ArenaNot benchmarked
  • Factuality ArenaNot benchmarked
  • Search ArenaNot benchmarked
  • Document ArenaNot benchmarked
  • Agent ArenaNot benchmarked
  • GPQA DiamondNot benchmarked
  • AIME (math)Not benchmarked
  • FrontierMathNot benchmarked
  • SimpleQA VerifiedNot benchmarked
  • ARC-AGI-2Not benchmarked
  • Humanity's Last ExamNot benchmarked
  • SimpleBenchNot benchmarked
  • LiveBenchNot benchmarked
  • BFCL v4 (function calling)Not benchmarked
  • SWE-bench Verified (live board)Not benchmarked
  • Terminal-Bench 4.0Not benchmarked
  • MMLU-Pro (Artificial Analysis)Not benchmarked
  • LiveCodeBench (Artificial Analysis)Not benchmarked
  • IFBench (Artificial Analysis)Not benchmarked
  • HHEM Hallucination (Vectara)Not benchmarked
  • SWE-bench VerifiedNot benchmarked
  • Terminal-BenchNot benchmarked

Percentiles are the model's standing within each board's own population. Axes marked "not benchmarked" have no published result for this model — that is an absence of data, not a low score.

  • step-1o-turbo-202506 stands at 42.7 (raw mean 38.3) — measured on 5 of 27 axes.

    standingtemplateVerify →

  • step-1o-turbo-202506 stands at 42.7 versus a cohort median of 60.6 across 172 models released within 180 days — below the peer median.

    cohorttemplateVerify →

Every claim is a computed fact from the current board data, phrased by a low-temperature model call and rejected by a validation gate if any number is not in the source row. How the leaderboards work →