GPT-5.6 Terra (Medium) vs Hy3
Which is better for the money: GPT-5.6 Terra (Medium) by OpenAI or Hy3 by Tencent? 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
GPT-5.6 Terra (Medium) scores 4.8 points higher (30.1 vs 25.3) but costs 3.0× as much to run the benchmark ($447 vs $150; both mid-range class). Pick GPT-5.6 Terra (Medium) when the extra intelligence is worth the premium, otherwise Hy3.
| Metric | GPT-5.6 Terra (Medium) | Hy3 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 30.1 | 25.3 | −15.9% Hy3 is 15.9% less intelligent |
| Total AA cost (lower is better) | $446.53 | $149.61 | −66.5% Hy3 is 66.5% cheaper |
| End-to-end time (lower is better) | 5.85s | 33.73s | +476.6% Hy3 is 476.6% slower |
| Price per 1M tokens (in / out) | $2.00 / $12.0 | $0.14 / $0.56 | |
| Input modalities | Text, Image | Text |
Hy3 vs GPT-5.6 Terra (Medium): 15.9% less intelligence, 66.5% less cost to run the AA benchmark, and 476.6% slower end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.6 Terra (Medium) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.
- Hy3 is off the frontier: at the same or lower cost, GPT-6 Luna (Max) scores 38.10 for $122.
GPT-5.6 Terra (Medium)Hy3Today'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-5-6-terra-medium/hy3 · Markdown: /api/v1/compare/gpt-5-6-terra-medium/hy3?format=md · llms.txt · agent skill