GPT-5.5 Instant (May 2026) vs gpt-oss-20b (High)
GPT-5.5 Instant (May 2026) vs gpt-oss-20b (High). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.
Verdict
Comparison incomplete
A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.
| Metric | GPT-5.5 Instant (May 2026) | gpt-oss-20b (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 22.7 | 9.0 | −60.4% gpt-oss-20b (High) is 60.4% less intelligent |
| Total AA cost (lower is better) | Not reported | $28.81 | — not comparable |
| End-to-end time (lower is better) | Not reported | 13.96s | — not comparable |
| Price per 1M tokens (in / out) | $5.00 / $30.0 | $0.05 / $0.22 | |
| Input modalities | Text, Image | Text |
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-5-instant-05-26/gpt-oss-20b · Markdown: /api/v1/compare/gpt-5-5-instant-05-26/gpt-oss-20b?format=md · llms.txt · agent skill