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Step 3.5 Flash API pricing on OpenRouter
Every OpenRouter Step 3.5 Flash rate we track, compared against 2 providers serving the same model.
Input from /1M
$0.100
Output /1M
$0.300
Price rank
#1 of 2
Last updated
September 18, 2026
OpenRouter currently has the cheapest Step 3.5 Flash input price among the 2 providers we track.
OpenRouter Step 3.5 Flash rates
Prices per 1M tokens. Batch and cached-input rates are shown where the provider publishes them.
| Mode | Input | Output |
|---|---|---|
| Standard | $0.100/1M | $0.300/1M |
About Step 3.5 Flash
- Creator
- Stepfun
- Context
- 262K
- Modalities
- text
Step 3.5 Flash on other providers
About OpenRouter
OpenRouter provides a unified API for accessing hundreds of AI models from multiple providers. It aggregates models from OpenAI, Anthropic, Google, Meta, Mistral, and many others, offering a single endpoint with automatic fallback routing and provider optimization.
Frequently Asked Questions
How much does Step 3.5 Flash cost on OpenRouter?
OpenRouter serves Step 3.5 Flash from $0.100 per 1M input tokens, across 1 tracked pricing mode. Prices are collected daily — see the table above for current input, output, and cached-input rates.
Is OpenRouter the cheapest way to run Step 3.5 Flash?
Of the 2 providers we track serving Step 3.5 Flash, OpenRouter currently has the lowest input price. Rates change often, and throughput and latency differ between providers — check the comparison above before committing.
Does OpenRouter offer batch or cached pricing for Step 3.5 Flash?
We track 1 Step 3.5 Flash offering from OpenRouter. Batch and cached-input rates appear in the table above when the provider publishes them; blank cells mean we have no current figure for that mode.