StepFun (China)
Step 3.5 Flash
step-3.5-flash
Prices and limits
- Input price per 1M tokens
- $0.10
- Output price per 1M tokens
- $0.30
- Cached input per 1M tokens
- $0.02
- Blended price per 1M (our estimate)
- $0.15
- Context window
- 256,000
- Max output tokens
- 256,000
- Accepts
- Text
- Produces
- Text
- Released
- Jan 29, 2026
- Last updated
- Jun 15, 2026
- Knowledge cutoff
- Jan 2025
- Open weights
- Yes
Wrong price, or a provider that wants its listing corrected or removed? Email ceo@uniholix.com. We reply within 5 business days.
Cheapest comparable models
Other priced models that accept at least the same inputs, produce the same outputs and have at least half this context window, sorted by blended price.
- GPT OSS 20B (Greenference)Eden AI$0.009 / $0.045131.1K
- Llama 3.1 8B (decentralized)NanoGPT$0.02 / $0.03128K
- Meta Llama 3.1 8B Instruct TurboHelicone$0.02 / $0.03128K
- Mistral NemoPioneer$0.02 / $0.03128K
- Llama-3.1-8B-InstructKilo Gateway$0.02 / $0.04131.1K
- Mistral Nemo Instruct 2407IO.NET$0.02 / $0.04128K
- Llama 3.1 8B InstructAbacus$0.02 / $0.05128K
- Qwen3 4BNovitaAI$0.03 / $0.03128K
Same model at other providers
Matched by the catalogue’s model ID. Cheapest blended price first.
- Step 3.5 Flash (Deep Infra)Eden AI$0.09 / $0.30262.1K
- StepFun 3.5 FlashVercel AI Gateway$0.09 / $0.30262.1K
- Step 3.5 FlashEmpirioLabs AI$0.10 / $0.30256K
- Step 3.5 FlashHugging Face$0.10 / $0.30262.1K
- Step 3.5 FlashKilo Gateway$0.10 / $0.30262.1K
- Step 3.5 FlashNanoGPT$0.10 / $0.30262.1K
- Step 3.5 FlashZenMux$0.10 / $0.30256K
- Stepfun/Step-3.5 FlashQiniu— / —64K
Price changes
Models whose price changed in the catalogue, newest first. We compare prices every day.
No price changes recorded yet. When a model’s price changes, it appears here.