Step 3.5 Flash
StepFun
Release Date
2026-02-02
Parameters
—
Context Length
256K
Modalities
text
Capability Radar
18
general
0
coding
83
reasoning
64
science
58
agents
0
multimodal
Rankings
| Domain | #Rank | Score | Source |
|---|---|---|---|
| Code Ranking | 308 | 49.0 | AA |
| General Ranking | 194 | 55.0 | AA |
| Science | 203 | 59.0 | AA |
Benchmark Scores (LLM Stats)
(LLM Stats (zeroeval))No benchmark data available
AA Evaluation Indices
(Artificial Analysis)Tau2(Sierra + U Toronto + Vector Institute (2025))94.4
Gpqa(NYU + Cohere + Anthropic (2023))83.1
Ifbench(Google Research (2023))64.6
Lcr(Artificial Analysis)50.0
Terminalbench Hard(Stanford × Laude Institute (2026))27.3
Hle(Center for AI Safety + Scale AI (2025))21.1
Intelligence Index(Artificial Analysis)16.6
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
3 providers
Cheapest: StepFunMost Expensive: StepFun (Global)
ProviderInputOutput
1StepFunPRIMARY
$0.1
$0.3
2StepFun (China)
$0.1
$0.3
3StepFun (Global)
$0.1
$0.3
Compare pricing across different API providers for this model.