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 dimension relevant to your task, then weigh evaluation time and reference cost.
GPT-6.1 Sol scores 5.6 points higher overall.
Scores, time and cost
| Metric | GPT-6.1 Solmax | Claude Opus 5.5xhigh |
|---|---|---|
| Overall | 93.80 | 88.20 |
| Backend engineering | 95 | 84 |
| Frontend interaction | 96 | 87 |
| Knowledge & reasoning | 90 | 95 |
| Evaluation time | 62m 9s | 61m 15s |
| Reference cost | $1.69 | $6.29 |
Each column uses all axis scores 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 service contracts, error handling, and verification; frontend tasks check interface implementation, interactions, and state continuity. The overall score helps shortlist candidates, but does not replace the specific dimension your work depends on. Open the full comparison to lock both models to the same reasoning effort.
This page uses ModelDial’s published evaluations, not official vendor rankings. Model detail pages provide the axis results, scoring versions and tested configurations.