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Head to head

GPT-5.6 TerravsHy3

For tasks, about a month.

Verdict · measured basis

Hy3 costs $0.0020 per solved task against GPT-5.6 Terra at $4.50 — ▼ 2199x cheaper. Over 200 tasks that is $900 a month.

On output token price alone Hy3 looks 36x cheaper. The ranking holds, but the margin changes.

Verified pricing, pass rate and cost per solved task for GPT-5.6 Terra and Hy3
FigureGPT-5.6 TerraHy3
Input $/Mtok$2$0.083
Output $/Mtok$12$0.33
Cached input $/Mtok$0.2$0.021
Pass rate60%67%
Cost per solved task$4.50measured$0.0020measured
Cost per month$900$0.41

Cost per month against tasks per month · drag the marker

Monthly cost against tasks per monthLog-log lines for Hy3 (measured, $0.0020 per solved task), GPT-5.6 Terra (measured, $4.50 per solved task) from 10 to 100,000 tasks a month. Marker at 200 tasks.101001k10k100k$0.1$1$10$100$1k$10k$100kTASKS / MONTH (log) →200 tasksHy3 · MEASURED · $0.0020 per solved task$0.41GPT-5.6 Terra · MEASURED · $4.50 per solved task$900— Hy3 · MEASURED— GPT-5.6 Terra · MEASURED

Solid measured · dashed modeled · dotted stale. The gap is the verdict.

Source: Artificial Analysis (artificialanalysis.ai) · verified 2026-08-21 · prices from each provider's pricing page; measured rows ignore the tier · Methodology · All models at these settings