readable AI benchmarks (simplified)
StepFun
Step 3.5 Flash 2603
Step 3.5 Flash 2603 has a Quality Score of 27.0, ranking 284th among 551 scored models. Per 1M tokens, pricing is $0.100 input, $0.300 output, and $0.020 cached input. It accepts text input, outputs text, and has a 256k token context window. Its Reliability Score is 27.9, ranking 335th among 553 scored models, below average (total average: 35.6). Its Value Score is 25.0, low compared with the total Value average of 30.7.
Quality Score27.0coverage 100.0%: AA Intelligence and AA-Omniscience outcomes available
Value Score25.0
Factual reliability27.9
Cache Discount80%
Model specification
- Reasoning
- reasoning
- Input modalities
- text
- Output modalities
- text
- Context window
- 256k tokens
- Weights
- closed weights
Token prices USD per 1M tokens
- Input
- $0.100
- Output
- $0.300
- Cached Input
- $0.020
- Cache write
- not available
- Cost per task
- not available
Capability
- Intelligence
- 17.0
- Coding
- not available
- Agentic
- not available
- Omniscience
- -44.2
- Correct
- 24.6%
- Blended price
- $0.064
Answer outcomes
Fully graded outcomes (Correct + Incorrect): 93.5%
Correct 24.6%Incorrect 68.8%Partial / not attempted 6.6%
Artificial Analysis benchmarks
- Humanity’s Last Exam
- 24%
- GPQA Diamond
- 83%
- CritPt
- 2%
- AA-Omniscience
- 28%
- AA-LCR
- 63%
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