gpt-oss-20b (High) vs Grok 4.6 (High)
Which is better for the money: gpt-oss-20b (High) by OpenAI or Grok 4.6 (High) by SpaceXAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Trade-off
Verdict
Depends on your budget
Grok 4.6 (High) scores 35.3 points higher (44.3 vs 9.0) but costs 68× as much to run the benchmark ($1963 vs $28.8; premium vs budget cost classes). They are not alternatives at one budget: pick Grok 4.6 (High) when you need intelligence above 9.0, and gpt-oss-20b (High) when 9.0 is enough.
| Metric | gpt-oss-20b (High) | Grok 4.6 (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 9.0 | 44.3 | +392.2% Grok 4.6 (High) is 4.9× more intelligent |
| Total AA cost (lower is better) | $28.81 | $1,962.90 | +6713.3% Grok 4.6 (High) is 68× more expensive |
| End-to-end time (lower is better) | 15.23s | 34.90s | +129.2% Grok 4.6 (High) is 129.2% slower |
| Price per 1M tokens (in / out) | $0.05 / $0.22 | $2.00 / $6.00 | |
| Input modalities | Text | Text, Image |
Grok 4.6 (High) vs gpt-oss-20b (High): 392.2% more intelligence, 6713.3% more cost to run the AA benchmark, and 129.2% slower end-to-end.
Today's Pareto frontier
Against the frontier
- gpt-oss-20b (High) is off the frontier: at the same or lower cost, GPT-6 Luna (Low) scores 21.50 for $10.6.
- Grok 4.6 (High) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
gpt-oss-20b (High)Grok 4.6 (High)Today'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-oss-20b/grok-4-6 · Markdown: /api/v1/compare/gpt-oss-20b/grok-4-6?format=md · llms.txt · agent skill