GPT-6.1 Sol (High) vs Step 5 Preview
Which is better for the money: GPT-6.1 Sol (High) by OpenAI or Step 5 Preview by StepFun? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Clear winner
Verdict
Pick GPT-6.1 Sol (High)
Step 5 Preview vs GPT-6.1 Sol (High): 12.9% less intelligence, 128.3% more cost to run the AA benchmark, and 72.2% faster end-to-end.
| Metric | GPT-6.1 Sol (High) | Step 5 Preview | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 50.2 | 43.7 | −12.9% Step 5 Preview is 12.9% less intelligent |
| Total AA cost (lower is better) | $521.32 | $1,190.26 | +128.3% Step 5 Preview is 2.3× more expensive |
| End-to-end time (lower is better) | 43.44s | 12.06s | −72.2% Step 5 Preview is 72.2% faster |
| Price per 1M tokens (in / out) | $2.00 / $10.0 | $1.00 / $2.70 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- GPT-6.1 Sol (High) is on today's frontier: nothing is both smarter and cheaper.
- Step 5 Preview is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
GPT-6.1 Sol (High)Step 5 PreviewToday's Pareto frontierOpen-weights frontierEvery other model
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-6-1-sol-high/step-5 · Markdown: /api/v1/compare/gpt-6-1-sol-high/step-5?format=md · llms.txt · agent skill