StepFun · Released Jan 1, 2025Step 1 (32K)
StepFun flash model for efficient multimodal reasoning, coding, and tool use.
- Capability
- —No ECI score yet
- Input
- $2.05per 1M tokens
- Output
- $9.59per 1M tokens
- Context
- 33K33K max output
What it costs
- Input
- $2.05per million tokens
- Output
- $9.59per million tokens
- Cached input
- $0.41per million tokens
- Blended (3:1)
- $3.94pricier than 83% of priced models
Typical monthly bills
| Monthly usage | Estimated cost |
|---|---|
| Side project2M input + 0.5M output tokens | $8.89 |
| Team assistant25M input + 5M output tokens | $99.20 |
| Production app250M input + 50M output tokens | $992.00 |
Official StepFun (Global) API price, as listed on models.dev.
Independent benchmarks
Epoch AI has not published a Capabilities Index score for Step 1 (32K) yet.
The details
- Lab
- StepFun
- Released
- Jan 1, 2025
- Knowledge cutoff
- Jun 2024
- Context window
- 32,768 tokens
- Max output
- 32,768 tokens
- Inputs
- Text
- Output
- Text
- Reasoning
- No
- Tool calling
- Yes
- Structured output
- No
- Weights
- Proprietary
- API model ID
step-1-32kon StepFun (Global)- Availability
- 1 API providerlisted on models.dev
More from StepFun
About Step 1 (32K)
How much does Step 1 (32K) cost?
Step 1 (32K) costs $2.05 input / $9.59 output per million tokens (official StepFun (Global) API price). Cached input is $0.41 per million tokens. At a 3:1 input-to-output mix that is $3.94 per million tokens, more expensive than 83% of the 360 priced models we track.
What is the context window of Step 1 (32K)?
Step 1 (32K) accepts up to 32,768 tokens per request and can write up to 32,768 tokens in one response.
How good is Step 1 (32K)?
Epoch AI has not published a Capabilities Index score for Step 1 (32K) yet.
Is Step 1 (32K) open source?
No. Step 1 (32K) is proprietary; you use it through StepFun (Global)’s API or partner platforms.
What inputs does Step 1 (32K) support?
Step 1 (32K) accepts text and replies in text. It is not a dedicated reasoning model, supports tool calling.
When was Step 1 (32K) released?
StepFun released Step 1 (32K) on Jan 1, 2025. Its training data runs to Jun 2024.
What are the best alternatives to Step 1 (32K)?
The closest current models from other labs on capability, price and release date are Qwen-MT Plus (Alibaba (Qwen), $2.46 / $7.37), Sonar Deep Research (Perplexity, $2.00 / $8.00), Command A (Cohere, $2.50 / $10.00) and Palmyra X4 (Writer, $2.50 / $10.00).