Step 3.7 Flash API Benchmarks, Pricing & Provider Data
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Step 3.7 Flash benchmark, API pricing, and provider data cover 69 API providers, with prices starting at $0.0010/request. Step 3.7 Flash free API options are available from 10 providers. The page also shows measured API speed and first-token latency.
Step 3.7 Flash is StepFun's latest high-efficiency multimodal Mixture-of-Experts model. It pairs a 196B-parameter language backbone with a vision encoder for native image and video understanding, acti...
Category Performance
Observed-capability estimates with uncertainty reported separately from independent benchmark families.
- Coverage
- 6 / 8
- Methodology
- V3.0
#1Multimodal59Provisional1/4 Measured dimensions
#2Agents53.6RatedGlobal rank #244/4 Measured dimensions
#3Reasoning52.7Estimated2/4 Measured dimensions
#4Instruction following51.6Provisional1/4 Measured dimensions
#5Coding49Estimated3/4 Measured dimensions
#6Knowledge42Provisional1/4 Measured dimensions
Specifications
Input and output token limits for this model, plus how it ranks on long-context understanding.
Features
Technical Details
- Input
- Output
- Released
- May 2026
- Tokenizer
- Other
- Architecture
- text+image+video->text
- Moderated
- No
- Supported parameters
- frequency_penaltyinclude_reasoninglogit_biaslogprobsmax_tokensmin_ppresence_penaltyreasoningreasoning_effortrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_logprobstop_p
Rankings
Excels at
It's decent at
Falls behind in
Detailed scores
Updated: Sep 3, 2026Overall
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Overall score53.0#63 / 102
Overall
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Speed & latency
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Output speed94.7 tok/s#42 / 79Time to first token1.58 s#49 / 79
Speed & latency
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Pricing
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Input price$0.200/M#34 / 183Output price$1.15/M#49 / 183
Pricing
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Agents
V3.0undefined metric} other undefined metrics}} · Rated
Score53.6#2480% interval47.9–59.34/4 Measured dimensionsAgentic score52.3#47 / 71Terminal-Bench 2.059.5#32 / 53
Agents
V3.0undefined metric} other undefined metrics}} · Rated
Coding
V3.0undefined metric} other undefined metrics}} · Estimated
Score4980% interval39.7–58.33/4 Measured dimensionsSciCode40.0%#87 / 208Coding score41.2#72 / 82
Coding
V3.0undefined metric} other undefined metrics}} · Estimated
Reasoning
V3.0undefined metric} other undefined metrics}} · Estimated
Score52.780% interval41.9–63.52/4 Measured dimensionsGPQA80.9%#94 / 215HLE21.4%#79 / 212
Reasoning
V3.0undefined metric} other undefined metrics}} · Estimated
Knowledge
V3.0undefined metric} other undefined metrics}} · Provisional
Score4280% interval26.0–58.01/4 Measured dimensionsArtificial Analysis Intelligence Index30.9#71 / 112AA-GPQA Diamond80.9#73 / 109
Knowledge
V3.0undefined metric} other undefined metrics}} · Provisional
Math
V3.0undefined metric} other undefined metrics}} · No data
No data80% interval30.8–69.20/4 Measured dimensions
Math
V3.0undefined metric} other undefined metrics}} · No data
Multilingual
V3.0undefined metric} other undefined metrics}} · No data
No data80% interval30.8–69.20/4 Measured dimensions
Multilingual
V3.0undefined metric} other undefined metrics}} · No data
Multimodal
V3.0undefined metric} other undefined metrics}} · Provisional
Score5980% interval44.5–73.51/4 Measured dimensionsSimpleVQA79.2#2 / 8V*95.3#4 / 11
Multimodal
V3.0undefined metric} other undefined metrics}} · Provisional
Instruction following
V3.0undefined metric} other undefined metrics}} · Provisional
Score51.680% interval35.6–67.61/4 Measured dimensionsAA-IFBench67.3#44 / 84
Instruction following
V3.0undefined metric} other undefined metrics}} · Provisional
OpenRouter endpoints
3 endpointsThird-party OpenRouter endpoint data, shown separately from LMSpeed measurements. Some 30-minute live performance fields only appear after syncing with an OpenRouter API key.
| Provider endpoint | Input | Output | 1d uptime | 30m latency | 30m throughput | Context / output |
|---|---|---|---|---|---|---|
DeepInfra deepinfra | $0.160/M | $0.920/M | 99.9% | — | — | undefined tokens / undefined tokens |
StepFun stepfun/fp8 | $0.200/M | $1.15/M | 99.1% | — | — | undefined tokens / undefined tokens |
Novita novita/fp8 | $0.200/M | $1.15/M | 97.7% | — | — | undefined tokens / undefined tokens |
Pricing Comparison
Compare Step 3.7 Flash API pricing across 59 providers. Prices range from $0.0010/request to $1998.00/M. CM-API 公益站 offers the lowest rate at $0.0010/request. 10 providers offer free API credits or a free tier.
| Provider | Health | Model Variant | Group | Input ($/M) | Output ($/M) | Speed (t/s) | First token | Audit |
|---|---|---|---|---|---|---|---|---|
兔子API Free | L1 100% | step-3.7-flash-free | default | Free | Free | — | — | — |
L1 100% | stepfun/step-3.7-flash:free | free | $0.0010/request | - | — | — | — | |
L1 100% | Step-3.7-Flash | 国产模型 | $0.010/request | - | — | — | — | |
L1 100% | step-3.7-flash | default | -26%$0.148/M | -23%$0.887/M | — | — | — | |
L1 100% | step-3.7-flash | default | $1.40/M | $8.05/M | — | — | — | |
L1 100% L2 55% | step-3.7-flash | nvidia | $75.00/M | $75.00/M | — | — | — | |
L1 99% | stepfun-ai/Step-3.7-Flash | default | $0.0048/request | - | — | — | — | |
L1 100% | step-3.7-flash | nvidia | $0.400/M Cache read$0.080/M | $2.30/M | — | — | — | |
L1 100% L2 81% | step-3.7-flash | default | $75.00/M | $75.00/M | — | — | — | |
L1 100% | stepfun-ai/step-3.7-flash | default | $375.00/M | $375.00/M | — | — | — | |
L1 100% | step-3.7-flash | default | $375.00/M | $375.00/M | — | — | — | |
L1 100% | stepfun/step-3.7-flash-free | default | $375.00/M | $375.00/M | — | — | — | |
L1 99% | step-3.7-flash | default | -93%$0.014/M | -93%$0.079/M | — | — | — | |
Moyanjdc API Free | L1 99% | step-3.7-flash | default | Free | Free | — | — | — |
L1 99% | daipai/step-3.7-flash | 按次福利模型 | $0.0020/request | - | — | — | — | |
L1 100% | stepfun-ai/step-3.7-flash | default | $75.00/M | $75.00/M | — | — | — | |
L1 99% | step-3.7-flash | default | $0.661/M Cache read$0.132/M | $3.97/M | — | — | — | |
L1 99% | step-3.7-flash | 91vip | $1.35/M | $7.77/M | — | — | — | |
L1 99% | stepfun-ai/step-3.7-flash | default | $75.00/M | $75.00/M | — | — | — | |
L1 99% | step-3.7-flash | 免费 | $0.375/M | -67%$0.375/M | — | — | — |
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Frequently Asked Questions
- What benchmark data does Step 3.7 Flash include?
- LMSpeed shows Step 3.7 Flash benchmark context, API price, output speed, first-token latency, and provider data across 69 providers when those signals are available.
- What is the Step 3.7 Flash API price?
- Step 3.7 Flash has pricing from 69 providers, ranging from $0.0010/request to $1998.00/M. CM-API 公益站 has the lowest listed price.
- What does the Step 3.7 Flash API pricing table include?
- The Step 3.7 Flash API pricing table compares 69 providers by input price, output price, free tier status, speed, first-token latency, and recent health data when available.
- Which provider has the cheapest Step 3.7 Flash API pricing?
- CM-API 公益站 currently has the lowest listed Step 3.7 Flash price at $0.0010/request across 69 providers.
- Can I compare Step 3.7 Flash API price and speed together?
- Yes. LMSpeed shows Step 3.7 Flash API price, output speed, first-token latency, and provider health on the same page so you can compare cost and performance together.
- Is Step 3.7 Flash API free?
- Yes, Step 3.7 Flash free API options are available through 10 providerundefined other undefined} on LMSpeed, including WSocket AI, Dext API, 兔子API, 兔子API, Zero API. These providers offer free API credits or a free tier with no per-token charges.
- Where can I get Step 3.7 Flash free API access?
- LMSpeed currently lists 10 free API providerundefined other undefined} for Step 3.7 Flash: WSocket AI, Dext API, 兔子API, 兔子API, Zero API. Check each provider row before using it because free tier limits can change.