GPT-5.6 Terra vs Hy3: Specs & Benchmark Comparison

CharacteristicGPT-5.6 TerraHy3
CompanyOpenAITencent
Release DateJuly 9, 2026July 6, 2026
Parameters295B
MultimodalYesNo
Context (input)1.1M
Context (output)128K
Input Price / 1M$2.00
Output Price / 1M$12.00
Average Score0.60.6
Benchmarks
DeepSWE0.70.3
Terminal-Bench 2.10.90.7
SWE-Bench Pro0.60.6
Toolathlon0.50.5
BrowseComp0.90.8
GPQA0.90.9

Visual Benchmark Comparison

GPT-5.6 Terra
Hy3
DeepSWE0.7 vs 0.3
0.7
0.3
Terminal-Bench 2.10.9 vs 0.7
0.9
0.7
SWE-Bench Pro0.6 vs 0.6
0.6
0.6
Toolathlon0.5 vs 0.5
0.5
0.5
BrowseComp0.9 vs 0.8
0.9
0.8
GPQA0.9 vs 0.9
0.9
0.9

Verdict

Both models show equal results — the choice depends on your specific use case.

Overall Performance

Both models show comparable average scores: GPT-5.6 Terra — 0.6, Hy3 — 0.6.

Recency

Both models were released around the same time: 7/9/2026 and 7/6/2026.

More About These Models

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Frequently Asked Questions

Which is better for coding — GPT-5.6 Terra or Hy3?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — GPT-5.6 Terra or Hy3?
API pricing data is available on the individual model pages.
Which has a larger context window — GPT-5.6 Terra or Hy3?
Context window data is available on the individual model pages.

The GPT-5.6 Terra and Hy3 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the GPT-5.6 Terra or Hy3 page. See also the complete list of AI model comparisons.