DeepSeek V3 0324 vs GPT-5.5 Instant (June 2026)
Which is better for the money: DeepSeek V3 0324 by DeepSeek or GPT-5.5 Instant (June 2026) 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-5.5 Instant (June 2026) scores 16.3 points higher (26.0 vs 9.7) but costs 51× as much to run the benchmark ($987 vs $19.4; premium vs budget cost classes). They are not alternatives at one budget: pick GPT-5.5 Instant (June 2026) when you need intelligence above 9.7, and DeepSeek V3 0324 when 9.7 is enough.
| Metric | DeepSeek V3 0324 | GPT-5.5 Instant (June 2026) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 9.7 | 26.0 | +168.0% GPT-5.5 Instant (June… is 2.7× more intelligent |
| Total AA cost (lower is better) | $19.42 | $986.85 | +4981.6% GPT-5.5 Instant (June… is 51× more expensive |
| End-to-end time (lower is better) | 4.44s | 16.68s | +275.7% GPT-5.5 Instant (June… is 275.7% slower |
| Price per 1M tokens (in / out) | $0.24 / $0.90 | $5.00 / $30.0 | |
| Input modalities | Text | Text, Image |
GPT-5.5 Instant (June 2026) vs DeepSeek V3 0324: 168.0% more intelligence, 4981.6% more cost to run the AA benchmark, and 275.7% slower end-to-end.
Today's Pareto frontier
Against the frontier
- DeepSeek V3 0324 is off the frontier: at the same or lower cost, GPT-6 Luna (Low) scores 21.50 for $10.6.
- 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.
DeepSeek V3 0324GPT-5.5 Instant (June 2026)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/deepseek-v3-0324/gpt-5-5-instant-06-26 · Markdown: /api/v1/compare/deepseek-v3-0324/gpt-5-5-instant-06-26?format=md · llms.txt · agent skill