modelsdev Step 3.5 Flash (openrouter/stepfun/step-3.5-flash)
modelsdev Step 3.5 Flash costs USD 0.10 per 1M input tokens and USD 0.30 per 1M output tokens (community cross-check, https://models.dev/), verified 2026-10-23 23:39 UTC.
Last verified 2026-10-23T23:39:40+00:00 · Source: https://models.dev/ (community cross-check, waak source modelsdev)
No first-party source is read for this model yet; this value is a community cross-check and can lag the provider.
Price
- Input
- USD 0.10 / 1M tokens
- Output
- USD 0.30 / 1M tokens
- This price since
- 2026-10-19T22:42:32+00:00
- FX used
- 1 EUR = 1.1225 USD (ECB)
- Billing
- per_token
Specification
- Context window (tokens)
- 262,144
- Max output
- 65,536
- Open weights
- yes
- Reasoning
- yes
- Source kind
- community
- Vendor
- openrouter
- Region
- global
- Listing
- listing not verifiable
aggregator / community mirror: no first-party public page to check against - First seen
- 2026-10-19T22:42:32+00:00
- SKU id
llm/modelsdev/openrouter/stepfun/step-3.5-flash
Other listings of this model
Sources can disagree. The provider's own listing is first-party; LiteLLM, OpenRouter and models.dev are community cross-checks. Differences are shown, not resolved.
| SKU | Source | Input / 1M | Output / 1M | vs this page | Last verified |
|---|---|---|---|---|---|
| llm/modelsdev/commandcode/stepfun/step-3.5-flash | modelsdev (community cross-check) | 0.09 | 0.30 | differs differs by -10.0% | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/edenai/deepinfra/stepfun-ai/step-3.5-flash | modelsdev (community cross-check) | 0.09 | 0.30 | differs differs by -10.0% | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/empiriolabs/step-3-5-flash | modelsdev (community cross-check) | 0.10 | 0.30 | agrees | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/huggingface/stepfun-ai/step-3.5-flash | modelsdev (community cross-check) | 0.10 | 0.30 | agrees | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/kilo/stepfun/step-3.5-flash | modelsdev (community cross-check) | 0.10 | 0.30 | agrees | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/nano-gpt/stepfun-ai/step-3.5-flash | modelsdev (community cross-check) | 0.10 | 0.30 | agrees | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/siliconflow-cn/stepfun-ai/step-3.5-flash | modelsdev (community cross-check) | 0.1046 | 0.3138 | differs differs by +4.6% | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/siliconflow/stepfun-ai/step-3.5-flash | modelsdev (community cross-check) | 0.10 | 0.30 | agrees | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/stepfun-ai/step-3.5-flash | modelsdev (community cross-check) | 0.10 | 0.30 | agrees | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/stepfun/step-3.5-flash | modelsdev (community cross-check) | 0.1046 | 0.3138 | differs differs by +4.6% | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/zenmux/stepfun/step-3.5-flash | modelsdev (community cross-check) | 0.10 | 0.30 | agrees | 2026-10-23T23:39:40+00:00 |
| llm/openrouter/stepfun/step-3.5-flash | openrouter (community cross-check) | 0.10 | 0.30 | agrees | 2026-10-24T04:57:20+00:00 |
Price history (90 days)
| Observed (UTC) | Price | USD | EUR | Output / 1M | Snapshot |
|---|---|---|---|---|---|
| 2026-10-19T22:42:32+00:00 | USD 0.10 | 0.10 | 0.0891 | 0.30 | #34 |
Each row is a change point: the price held from that moment until the next row. Full history: JSON · CSV.
Changes
No changes recorded since first seen.
API: /v1/skus/llm/modelsdev/openrouter/stepfun/step-3.5-flash
Cite this
Free to reuse under CC BY 4.0 with this credit. The numbers are list prices, not transacted prices.
InfraRabbit (2026). modelsdev Step 3.5 Flash [data as of 2026-10-23]. https://infrarabbit.com/llm/modelsdev/openrouter/stepfun/step-3.5-flash (accessed 2026-10-24). List prices, not transacted prices. CC BY 4.0.
BibTeX
@misc{infrarabbit_llm_modelsdev_openrouter_stepfun_step_3_5_flash_2026,
author = {{InfraRabbit}},
title = {modelsdev Step 3.5 Flash},
year = {2026},
howpublished = {\url{https://infrarabbit.com/llm/modelsdev/openrouter/stepfun/step-3.5-flash}},
note = {Data as of 2026-10-23; accessed 2026-10-24; list prices, not transacted prices; CC BY 4.0}
}