AI Benchmark Model
Step 5 Preview
Benchmark scores, pricing, speed, and model comparisons for Step 5 Preview.
Key scores
Step 5 Preview is an artificial intelligence model developed by StepFun, released on September 18, 2026. The model holds an intelligence index score of 43.6. Performance metrics for the model include an output speed of 92.781 tokens per second and a time to first token of 1.803 seconds. Regarding benchmark results, the model achieved a score of 0.465 on HLE, 0.589 on SciCode, and 0.883333333333333 on LCR. Pricing for Step 5 Preview is structured at $1.00 per million tokens for input and $2.70 per million tokens for output, resulting in a blended cost of $1.43 per million tokens. Coding and math index data for this specific model are currently unknown.
Benchmark results
3 tracked benchmark rows for Step 5 Preview.
LCR Other
88.3% SciCode Other
58.9% HLE Other
46.5%