ModelDial / Measured model comparisons
GPT-6.1 Sol vs Claude Opus 5.5
Compare each model at its highest-scoring tested overall effort. Start with the capability relevant to your task, then compare completion time and reference cost.
GPT-6.1 Sol scores 3.5 points higher overall.
Overall: backend 40% · frontend 30% · reasoning 30%Scores, time and cost
| Metric | GPT-6.1 Solmax | Claude Opus 5.5max |
|---|---|---|
| Overall | 93.8 | 90.3 |
| Backend & testing | 95 | 84 |
| Frontend & interaction | 96 | 89 |
| Knowledge & reasoning | 90 | 100 |
| Three-axis time | 62m 9s | 33m 57s |
| Three-axis cost | $1.69 | $3.67 |
Each column uses three axes from one configuration, without mixing efforts. Costs exclude subscriptions and failed retries; missing values are shown as “—”.
How to read these results
Which should I use for coding: GPT-6.1 Sol or Opus 5.5?
Backend tasks cover business rules, error handling and testing; frontend tasks check implementation, interaction and state. The overall score helps shortlist models but does not replace the axis relevant to your work. Open the full comparison to match reasoning efforts.
This page uses ModelDial’s published evaluations, not official vendor rankings. Model detail pages provide the axis results, scoring versions and tested configurations.