LLM Leaderboard
Step 3.5 Flash
by StepFun Reasoning
RunFree Score
—
insufficient data
Blended price
$0.14
per 1M tokens
Context
262K
tokens
Max output
16K
tokens
Output speed
—
tokens / sec
Latency (TTFT)
—
first token
Uptime
99.7%
last 24h
Providers
2
serving this model
Capability profile
Not enough categorised benchmark data to chart a profile yet.
Compare Step 3.5 Flash
See it side by side with any other model — benchmarks, price and specs.
Benchmark results
We don't have verified public benchmark results for Step 3.5 Flash yet. We only publish scores with a primary source — no estimates.
Every score links to its original source. See our methodology for how the RunFree Score is computed.
API pricing
- Input
- $0.09 / 1M
- Output
- $0.30 / 1M
- Cached input
- $0.02 / 1M
- Blended (3:1)
- $0.14 / 1M
Specifications
- Provider
- StepFun
- Context window
- 262K
- Max output
- 16K
- Reasoning model
- Yes
- Modality
- text
- Released
- Jan 29, 2026