GPT-5.5 Instant (June 2026) vs GPT-6 Sol (Max)
Which is better for the money: GPT-5.5 Instant (June 2026) by OpenAI or GPT-6 Sol (Max) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Trade-off
Verdict
Depends on your budget
GPT-6 Sol (Max) scores 21.6 points higher (47.6 vs 26.0) but costs 1.6× as much to run the benchmark ($1536 vs $987; both premium class). Pick GPT-6 Sol (Max) when the extra intelligence is worth the premium, otherwise GPT-5.5 Instant (June 2026).
| Metric | GPT-5.5 Instant (June 2026) | GPT-6 Sol (Max) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 26.0 | 47.6 | +83.1% GPT-6 Sol (Max) is 83.1% more intelligent |
| Total AA cost (lower is better) | $986.85 | $1,535.80 | +55.6% GPT-6 Sol (Max) is 55.6% more expensive |
| End-to-end time (lower is better) | 16.68s | 149.14s | +794.1% GPT-6 Sol (Max) is 794.1% slower |
| Price per 1M tokens (in / out) | $5.00 / $30.0 | $2.00 / $10.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-6 Sol (Max) vs GPT-5.5 Instant (June 2026): 83.1% more intelligence, 55.6% more cost to run the AA benchmark, and 794.1% slower end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.5 Instant (June 2026) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
- GPT-6 Sol (Max) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
GPT-5.5 Instant (June 2026)GPT-6 Sol (Max)Today's Pareto frontierEvery other model
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-5-instant-06-26/gpt-6-sol · Markdown: /api/v1/compare/gpt-5-5-instant-06-26/gpt-6-sol?format=md · llms.txt · agent skill