Step 3.5 Flash
StepFun
Release Date
2026-02-02
Parameters
—
Context Length
256K
Modalities
text
Capability Radar
25
general
40
coding
83
reasoning
56
science
70
agents
0
multimodal
Rankings
| Domain | #Rank | Score | Source |
|---|---|---|---|
| Code Ranking | 228 | 50.0 | AA |
| General Ranking | 146 | 62.0 | AA |
| Science | 142 | 63.0 | AA |
Benchmark Scores (LLM Stats)
(LLM Stats (zeroeval))No benchmark data available
AA Evaluation Indices
(Artificial Analysis)Intelligence Index(Artificial Analysis)26.0
Tau2(Sierra + U Toronto + Vector Institute (2025))0.9
Gpqa(NYU + Cohere + Anthropic (2023))0.8
Ifbench(Google Research (2023))0.6
Lcr(Artificial Analysis)0.5
Scicode(UIUC + Argonne National Lab (2024))0.4
Terminalbench Hard(Stanford × Laude Institute (2026))0.3
Hle(Center for AI Safety + Scale AI (2025))0.2
LLM Stats Category Scores
(LLM Stats (zeroeval))No category score data available
Pricing
Input Price$0.1 / 1M tokens
Output Price$0.3 / 1M tokens
Blended Price (3:1)$0.15 / 1M tokens
Cache Read Price$0.02 / 1M tokens
Speed
Tokens/sec0.0
Time to First Token0.00s
Time to Answer0.00s
Provider Price Ranking
Provider Price Ranking
1 providers
ProviderInputOutput
1StepFunPRIMARY
$0.1
$0.3
Compare pricing across different API providers for this model.