DeepSeek V4 Pro 0813 (Max) vs GPT-5.5 Instant (June 2026)
Which is better for the money: DeepSeek V4 Pro 0813 (Max) 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.
Clear winner
Verdict
Pick DeepSeek V4 Pro 0813 (Max)
GPT-5.5 Instant (June 2026) vs DeepSeek V4 Pro 0813 (Max): 27.8% less intelligence, 5.5% more cost to run the AA benchmark, and 37.4% faster end-to-end.
| Metric | DeepSeek V4 Pro 0813 (Max) | GPT-5.5 Instant (June 2026) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 36.0 | 26.0 | −27.8% GPT-5.5 Instant (June… is 27.8% less intelligent |
| Total AA cost (lower is better) | $1,122.27 | $1,184.34 | +5.5% GPT-5.5 Instant (June… is 5.5% more expensive |
| End-to-end time (lower is better) | 26.63s | 16.68s | −37.4% GPT-5.5 Instant (June… is 37.4% faster |
| Price per 1M tokens (in / out) | $1.32 / $3.96 | $5.00 / $30.0 | |
| Input modalities | Text | Text, Image |
Today's Pareto frontier
Against the frontier
- DeepSeek V4 Pro 0813 (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) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
DeepSeek V4 Pro 0813 (Max)GPT-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-v4-pro/gpt-5-5-instant-06-26 · Markdown: /api/v1/compare/deepseek-v4-pro/gpt-5-5-instant-06-26?format=md · llms.txt · agent skill