StepFun 3.5 Flash
routing-run/3-5-flashОт routing-run · выпуск 2026-01-29 · дата знаний: 2025-01
⚠ Это сообществом дообученная / производная модель — не официальный релиз вендора.
Prices in USD per 1M tokens. Unknown means the provider does not publish per-token pricing.
Возможности
Model fit scores
0–100 · higher is betterThese scores reward declared capabilities, context size, price and provider availability — they are not benchmark results. Use them as a directional signal alongside your own evaluation.
Coding59
- Tool calling40/40
- Structured output0/20
- Reasoning10/10
- Context window (100K → 1M)8/20
- Provider availability1/10
Agents66
- Tool calling35/35
- Structured output0/25
- Reasoning15/15
- Output token limit15/15
- Provider availability1/10
JSON / structured output49
- Structured output / JSON mode0/50
- Tool calling20/20
- Temperature control10/10
- Price-friendly for high-volume19/20
Cost efficiency78
- Headline price (log-scaled)73/95
- Has prompt-cache pricing5/5
Long context61
- Context window (100K → 2M)51/90
- Has published price for full window10/10
Production-readiness50
- Number of independent providers5/40
- Has published per-token price20/20
- Context window ≥ 8K15/15
- No data inconsistencies across providers10/10
- Official model (not derivative)0/15
Cost Efficiency Index
Open full calculator →Estimated cost using the recommended provider's headline rate. Each scenario fixes average input/output tokens — the assumptions are shown in the third column.
| Scenario | Cost | Assumption |
|---|---|---|
RAG answer per 1,000 RAG answers | $0.62 < $0.01 per request | 5K input tokens (query + 4 retrieved chunks of ~1K each) and a 500-token answer. Typical SaaS knowledge-base bot. |
Support ticket triage per 10,000 tickets | $1.25 < $0.01 per request | 1K input tokens (ticket body + system prompt) and a 100-token JSON classification reply. High-volume customer support. |
Data extraction per 1,000 documents | $0.34 < $0.01 per request | 2K input tokens (a single document page) and a 500-token JSON extraction. ETL / invoice / form pipelines. |
Code review per 1,000 PRs | $1.06 < $0.01 per request | 8K input tokens (diff + surrounding files) and a 1K-token review comment. PR-bot workloads. |
Agent step per 1,000 steps | $1.32 < $0.01 per request | 12K input tokens (long-running tool history) and a 600-token tool-call decision. Cost per agent step. |
Детализация цен
Рекомендованная цена от routing-run · route/stepfun-3.5-flash
Доступна у 1 провайдеров
| Провайдер | ID модели провайдера | Вход / 1M | Выход / 1M | Контекст | Выпуск |
|---|---|---|---|---|---|
| routing.run routing-run | route/stepfun-3.5-flash | $0.096 | $0.288 | 262K | 2026-01-29 |
Frequently asked questions
How much does StepFun 3.5 Flash cost?
StepFun 3.5 Flash costs $0.096 per 1M input tokens and $0.288 per 1M output tokens, sourced from routing-run. Cache reads, audio tokens and >200K-context tiers (where applicable) are listed in the Pricing detail block above.
What is the context window of StepFun 3.5 Flash?
StepFun 3.5 Flash has a context window of 262K tokens, with a max output of 66K tokens per reply. This is the total combined size of prompt + completion.
Does StepFun 3.5 Flash support tool calling?
Yes. StepFun 3.5 Flash supports tool calling (function calling). This makes it suitable for production agent and automation workloads where the model has to invoke external functions reliably.
Does StepFun 3.5 Flash support structured output / JSON mode?
Support for structured output / JSON-schema-constrained decoding is not reported for StepFun 3.5 Flash in our data source. Verify with routing-run's official documentation before relying on it in production.
Can StepFun 3.5 Flash accept image input?
No. StepFun 3.5 Flash only accepts text as input. If you need image input, see our /capabilities/vision list for current vision-capable models.
Is StepFun 3.5 Flash open-weight?
Yes. StepFun 3.5 Flash's weights are publicly available, so you can self-host or fine-tune. Note that open weights ≠ open source — the training data and code are typically not released.
What are the best alternatives to StepFun 3.5 Flash?
If StepFun 3.5 Flash doesn't fit, consider MiMo V2.5 Pro, Step 3.5 Flash 2603, MiMo V2.5 Pro 6bit. Each one targets the same use case — see the Related links below for direct head-to-head pages.
Where does this data come from?
All numbers are normalised into a single canonical model record and reconciled with each provider's official documentation. We re-pull daily and write any changes (price, context, capability) to the /changelog page.
Explore more
More routing-run models
- MiMo V2.5 Pro$0.45 in / $1.35 out
- Step 3.5 Flash 2603$0.10 in / $0.30 out
- MiMo V2.5 Pro 6bit$0.45 in / $1.35 out
- Step 3.5 Flash$0.10 in / $0.29 out
Capability lists this model is in
Последнее обновление:
Pricing and capabilities are refreshed daily and reconciled against each provider's official documentation. Always verify critical production decisions with the provider directly.