DeepSeek R1 0528 vs Step 2.5 Flash
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
DeepSeek R1 0528 by DeepSeek wins on 2 of 3 benchmarks against Step 2.5 Flash by StepFun, which leads on 1. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from the AI Value Index.
Category-by-Category Breakdown
Context: In context, DeepSeek R1 0528 scores 131K on Context Length compared to Step 2.5 Flash's 128K.
Speed Comparison
DeepSeek R1 0528 generates output at 40 tok/s compared to Step 2.5 Flash's 67 tok/s, and the time to first token is 900 ms for DeepSeek R1 0528 versus 980 ms for Step 2.5 Flash. Step 2.5 Flash delivers faster throughput.
Verdict
Step 2.5 Flash leads across the board in speed, making it the stronger overall choice in this comparison.
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DeepSeek R1 0528 vs Step 2.5 Flash — FAQ
Which is better, DeepSeek R1 0528 or Step 2.5 Flash?
DeepSeek R1 0528 wins on more benchmarks overall (2 vs 1). However, the best choice depends on your specific needs — each model excels in different areas.
How does DeepSeek R1 0528 compare to Step 2.5 Flash for coding?
SWE-bench Verified data is not available for both models. Check the detailed comparison charts above for other coding-related metrics.
Is DeepSeek R1 0528 cheaper than Step 2.5 Flash?
Complete pricing data is not available for both models. Check the pricing section of the comparison above for available cost information.
Which is faster, DeepSeek R1 0528 or Step 2.5 Flash?
Step 2.5 Flash is faster, generating output at 67 tok/s compared to 40 tok/s. Faster output speed means shorter wait times for API responses.
What benchmarks does the DeepSeek R1 0528 vs Step 2.5 Flash comparison cover?
This comparison covers 3 benchmarks including Output Speed, Time to First Token, Context Length. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.