GPT-5.6 Luna (High) vs Solar Mini 4
Which is better for the money: GPT-5.6 Luna (High) by OpenAI or Solar Mini 4 by Upstage? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Clear winner
Verdict
Pick GPT-5.6 Luna (High)
Solar Mini 4 vs GPT-5.6 Luna (High): 24.9% less intelligence, 364.2% more cost to run the AA benchmark, and 88.0% slower end-to-end.
| Metric | GPT-5.6 Luna (High) | Solar Mini 4 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 32.1 | 24.1 | −24.9% Solar Mini 4 is 24.9% less intelligent |
| Total AA cost (lower is better) | $108.15 | $502.02 | +364.2% Solar Mini 4 is 4.6× more expensive |
| End-to-end time (lower is better) | 12.29s | 23.10s | +88.0% Solar Mini 4 is 88.0% slower |
| Price per 1M tokens (in / out) | $0.20 / $1.20 | $0.10 / $0.40 | |
| Input modalities | Text, Image | Text |
Today's Pareto frontier
Against the frontier
- GPT-5.6 Luna (High) is off the frontier: at the same or lower cost, Claude Haiku 5.5 (High) scores 37.80 for $94.1.
- Solar Mini 4 is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.
GPT-5.6 Luna (High)Solar Mini 4Today'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-5-6-luna-high/solar-mini4 · Markdown: /api/v1/compare/gpt-5-6-luna-high/solar-mini4?format=md · llms.txt · agent skill