Step 3.7 Flashopen
StepFun
59.5#83 of 427 overall
- Input / output
- US$ 0,20 / US$ 1,15 US$ per 1M tokens
- Context
- 262K tokens
- Release
- 05/28/2026 release date
- Speed
- 0 tok/s first token in 0.00 s
Family history
The 2 versions of this family, from first to newest, by release date. Click a point to open that version.
See the data as a table
| Model | Released | Score | Rank | Elo Arena |
|---|---|---|---|---|
| Step 3.5 Flash | 01/29/2026 | 54.0 | #112 | 1403 |
| Step 3.7 Flash | 05/28/2026 | 59.5 | #83 | — |
Scores by source
Scores by sourcepercentile = % of ranked models it beats| Metric | Value | Percentile | Source |
|---|---|---|---|
| Humanity's Last Exam weight 1 | 21.4 | 69% | Artificial Analysis |
| GPQA Diamond | 80.9 | 69% | Artificial Analysis |
| Long-context reasoning | 73.7 | 71% | Artificial Analysis |
By category
| Category | Score | Rank | Metrics |
|---|---|---|---|
| Reasoning | 62.7 | #125 | Humanity's Last Exam, GPQA Diamond |
| Research | 60.4 | #96 | Long-context reasoning |
History
RankingIA score on each collection day (hover to see the rank).
Daily collection started on 10/30/2026. The chart appears from the second day the model is ranked.