Step 3.7 Flash: benchmark scores, price and ranking
Step 3.7 Flash from StepFun ranks #469 of 743 LLMs on the LLMs Tiger aggregate benchmark score (47.0), based on 3 benchmark results captured up to 2026-10-13.
- Organisation
- StepFun
- Type
- Open-weight / local model
- Open weights
- Yes
- Released
- 2026-05-29 (source: epoch)
- Cheapest API price
- $0.200 in / $1.15 out per million tokens (via deepinfra, observed 2026-10-13T20:47Z)
- Aggregate rank
- #469 of 743 (score 47.0)
Relative to other models, Step 3.7 Flash is strongest on CritPt (#60 of 115) and weakest on SciCode (#67 of 106).
Across the 3 benchmarks where at least ten models are scored, Step 3.7 Flash is in the top 10% on 0 and in the top half on 0.
Its cheapest listed input price, $0.200 per million tokens, is lower than that of 67% of the 427 models with a listed price.
Step 3.7 Flash benchmark results
| Benchmark | Score | Rank | Source | Captured |
|---|---|---|---|---|
| CritPt | 2.3% | #60 of 115 | Epoch AI Benchmarking Hub | 2026-10-13 |
| ALE-Bench | 694 | #44 of 79 | Epoch AI Benchmarking Hub | 2026-10-13 |
| SciCode | 40.0% | #67 of 106 | Epoch AI Benchmarking Hub | 2026-10-13 |
About Step 3.7 Flash
Step 3.7 Flash is an open-weight model that can run on your own hardware from StepFun. It was released on 2026-05-29, according to Epoch AI. The cheapest API listing we track charges $0.200 per million input tokens and $1.15 per million output tokens, through deepinfra. We hold 3 benchmark results for it across 2 areas, and none is in the top tenth of its board.
Where Step 3.7 Flash stands
On our aggregate score, Step 3.7 Flash is #469 of 743 ranked models, in the lower half. Its score is 47.0; the scale is centred on 50, so it sits 3.0 points below the typical model. That beats 37% of the ranked field. Among the 2 ranked StepFun models it is #2. The next one up is step-5-preview-high at 50.0.
Step 3.7 Flash, benchmark by benchmark
Step 3.7 Flash lands below the middle on CritPt: 2.3%, #60 of 115, with 51% of the field scoring higher. GPT-5.6 Sol (max) leads at 32.3%; the closest result above is Muse Glimmer (high) at 2.6%. It covers unpublished research-level physics problems. The board median is 2.9%, so Step 3.7 Flash is 0.6 points below it. Source: Epoch AI Benchmarking Hub, captured 2026-10-13.
Step 3.7 Flash lands below the middle on ALE-Bench: 694, #44 of 79, with 54% of the field scoring higher. GPT-6 Astra (max) leads at 2,951; the closest result above is GPT-5 nano (high) at 719. It covers AtCoder heuristic-optimisation contests (performance rating). The board median is 764, so Step 3.7 Flash is 70 points below it. Source: Epoch AI Benchmarking Hub, captured 2026-10-13.
Step 3.7 Flash lands below the middle on SciCode: 40.0%, #67 of 106, with 62% of the field scoring higher. Claude Opus 5.5 (max) leads at 66.9%; the closest result above is Gemma 4 26B A4B at 40.0%. It covers scientific research code. The board median is 44.3%, so Step 3.7 Flash is 4.3 points below it. Source: Epoch AI Benchmarking Hub, captured 2026-10-13.
Strengths and weaknesses
Software engineering: uneven, ahead of 41% of the field on average across 2 benchmarks. Its best board here is ALE-Bench (#44 of 79) and its weakest is SciCode (#67 of 106).
Price and value
The median input price across the 427 priced models is $0.500 per million tokens, so Step 3.7 Flash costs less than the typical listing. Models that score within 1.5 points or better and cost less: Qwen2.5-Coder-7B-Instruct ($0.010, 49.5), DeepSeek V4.1 Flash (high) ($0.010, 48.9), Qwen2.5-Coder-3B-Instruct ($0.010, 46.5). Similar scores cost more on MiniMax-M3 ($0.230) and DeepSeek-V3.1 ($0.250).
Reading these numbers
The 3 scores on this page come from 1 source: Epoch AI Benchmarking Hub (3). No official leaderboard supplied any of them, so treat them as third-party measurements. With 3 results the aggregate rank can move a lot when one new score arrives.
Models ranked nearby
- #466 GPT-5.4 nano (xhigh) (47.1)
- #467 Kimi K2 Instruct (47.1)
- #468 Magistral Medium 1.2 (47.1)
- #470 DeepSeek-R1-Distill-Qwen-14B (47.0)
- #471 Reflection-70B (47.0)
- #472 magistral-small-2506 (47.0)
More from StepFun
- step-5-preview-high (#219, 50.0)
Compare it on the live leaderboard → · How the aggregate score works