Claude Opus 4.6 vs Step 2.5 Flash

Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.

Claude Opus 4.6 by Anthropic 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, Claude Opus 4.6 scores 200K on Context Length compared to Step 2.5 Flash's 128K.

Speed Comparison

Claude Opus 4.6 generates output at 68 tok/s compared to Step 2.5 Flash's 67 tok/s, and the time to first token is 1680 ms for Claude Opus 4.6 versus 980 ms for Step 2.5 Flash. Claude Opus 4.6 delivers faster throughput.

Verdict

Claude Opus 4.6 leads across the board in speed, making it the stronger overall choice in this comparison.

Claude Opus 4.6 vs Step 2.5 Flash — FAQ

Which is better, Claude Opus 4.6 or Step 2.5 Flash?

Claude Opus 4.6 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 Claude Opus 4.6 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 Claude Opus 4.6 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, Claude Opus 4.6 or Step 2.5 Flash?

Claude Opus 4.6 is faster, generating output at 68 tok/s compared to 67 tok/s. Faster output speed means shorter wait times for API responses.

What benchmarks does the Claude Opus 4.6 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.