How much does Step 1 (32K) cost per month?

For a chatbot handling 10,000 requests a day with 1,000 input and 500 output tokens each, Step 1 (32K) costs about $2,054 per month at StepFun's list prices ($2.05 per 1M input tokens, $9.59 per 1M output tokens).

Does Step 1 (32K) support prompt caching?

Yes. Cached input costs $0.41 per 1M tokens, compared with $2.05 for regular input.

How long is Step 1 (32K)'s context window?

Step 1 (32K) accepts up to 32,768 tokens (33K) of context and returns up to 32,768 tokens per response.

Step 1 (32K) API Pricing

StepFun · released Jan 1, 2025 · 33K context · API model ID step-1-32k

Step 1 (32K) by StepFun API pricing: $2.05 per 1M input tokens and $9.59 per 1M output tokens (provider list price via models.dev, Oct 10, 2026).

Prices

Step 1 (32K) prices, USD per 1M tokens
Price	USD per 1M tokens
Input	$2.05
Output	$9.59
Cache read	$0.41
Cache write	Not published

StepFun's list price for its own API, as compiled by models.dev and checked Oct 10, 2026, 09:00 UTC. Prices on cloud platforms and resellers can differ. Provider documentation

Estimated monthly cost

$2,054

per month

per day: $68.45
per request: $0.00685

Cost = input tokens × input price + output tokens × output price, 30 days a month. Cached input uses the cache read price. Cache write fees are not included.

Compare this workload across models

Monthly cost by workload

Workload	Per month
Chatbot1,000 in / 500 out tokens, 10,000 requests a day	$2,054/mo
RAG8,000 in / 500 out tokens, 5,000 requests a day	$3,179/mo
Coding agent50,000 in / 2,000 out tokens, 1,000 requests a day, 80% cached input	$1,682/mo

Context and capabilities

Context: 32,768 tokens
Max output: 32,768 tokens
Input: text
Output: text
Knowledge cutoff: June 2024
Open weights: No
Tool calling: Yes
Reasoning: No
Structured outputs: No

Capabilities and limits as listed by models.dev.

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Price history

No price changes since we started tracking on Oct 8, 2026.

Questions

How much does Step 1 (32K) cost per month?: For a chatbot handling 10,000 requests a day with 1,000 input and 500 output tokens each, Step 1 (32K) costs about $2,054 per month at StepFun's list prices ($2.05 per 1M input tokens, $9.59 per 1M output tokens).
Does Step 1 (32K) support prompt caching?: Yes. Cached input costs $0.41 per 1M tokens, compared with $2.05 for regular input.
How long is Step 1 (32K)'s context window?: Step 1 (32K) accepts up to 32,768 tokens (33K) of context and returns up to 32,768 tokens per response.