GPT-5.2 vs Step 3.7 Flash
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Step 3.7 Flash by StepFun wins on 5 of 8 benchmarks against GPT-5.2 by OpenAI, which leads on 3. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.
Category-by-Category Breakdown
Coding: In coding, GPT-5.2 scores 1173 on Design Arena ELO compared to Step 3.7 Flash's 1172, while Step 3.7 Flash scores 1206 on Website Arena ELO compared to GPT-5.2's 1167.
Reasoning: In reasoning, GPT-5.2 scores 87.9% on GPQA Diamond compared to Step 3.7 Flash's 76.6%, while Step 3.7 Flash scores 77.3% on τ²-Bench Airline compared to GPT-5.2's 73.3%.
Context: In context, GPT-5.2 scores 400K on Context Length compared to Step 3.7 Flash's 262K.
Pricing Comparison
GPT-5.2 costs $1.8/1M input tokens and $14.0/1M output tokens, while Step 3.7 Flash costs $0.20/1M input and $1.1/1M output. Step 3.7 Flash is the more affordable option for API usage.
Verdict
Step 3.7 Flash leads across the board in affordability, making it the stronger overall choice in this comparison.
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GPT-5.2 vs Step 3.7 Flash — FAQ
Which is better, GPT-5.2 or Step 3.7 Flash?
Step 3.7 Flash wins on more benchmarks overall (5 vs 3). However, the best choice depends on your specific needs — each model excels in different areas.
How does GPT-5.2 compare to Step 3.7 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 GPT-5.2 cheaper than Step 3.7 Flash?
Yes, Step 3.7 Flash is cheaper. GPT-5.2 costs $1.8/1M input and $14.0/1M output tokens. Step 3.7 Flash costs $0.20/1M input and $1.1/1M output tokens.
Which is faster, GPT-5.2 or Step 3.7 Flash?
Output speed data is not available for both models. Check the speed section of the comparison above for available performance data.
What benchmarks does the GPT-5.2 vs Step 3.7 Flash comparison cover?
This comparison covers 8 benchmarks including GPQA Diamond, Input Cost, Output Cost, Context Length, Cached Input Cost, Design Arena ELO, τ²-Bench Airline, Website Arena ELO. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.