Benchmarks

StepFun: Step 3.5 Flash

stepfun/step-3.5-flash

Step 3.5 Flash (StepFun) is a low-cost open-weight model priced near the bottom of the board, at $0.1/$0.3 per million input/output tokens, served by 1 independent host. For the money it delivers #130 of 260 on the TryAii Score. Its best showing is #39 on Tau2-bench. It's reasonably quick at about 78 tokens/sec.

Prompt $/1M
$0.100
Completion $/1M
$0.300
Context
262,144 tok
Best provider
78 tok/s · SiliconFlow

Specs

Model id
stepfun/step-3.5-flash
Display name
StepFun: Step 3.5 Flash
Modality
text->text
Tokenizer
Other
Instruct type
—
Context length
262,144
Max completion
65,536
Prompt $/1M
$0.100
Completion $/1M
$0.300
Free tier
no

Capabilities

  • Function callingno
  • JSON modeno
  • System promptno
  • Visionno
  • Moderatedno

Benchmark scores

Each axis is one benchmark, normalized to the best model in the field.

No benchmark data for this model.

Speed by provider

Providertok/s
SiliconFlowfastest78