Clinical Benchmarks

OpenAI logoGPT-5.6 Terra: healthcare benchmark results

OpenAI · 2 boards · updated August 16, 2026

The index currently holds 2 results for GPT-5.6 Terra: 0.327 on HealthBench Hard (3 of 9), 57.0 on HealthBench (5 of 8). Scores below sit on different scales and come from different graders, so read each against its own benchmark, never against the others.

Results by benchmark

benchmarkscorepositionas of
HealthBench Hard
via healthbenchhard.ai
0.3273 of 92026-08
HealthBench
via OpenAI Deployment Safety Hub (GPT-5.6 system card + August 2026 updates); benchlm.ai and llm-stats.com mirror
57.05 of 82026-06

Position counts against the source's full board, including rows this index does not mirror. Config caveats, where a source noted any, are on each benchmark's page.

Which healthcare benchmarks is GPT-5.6 Terra scored on?

As of August 16, 2026, GPT-5.6 Terra holds current results on 2 tracked benchmarks: HealthBench Hard, HealthBench.

How does GPT-5.6 Terra rank on them?

GPT-5.6 Terra stands at 0.327 on HealthBench Hard (3 of 9), 57.0 on HealthBench (5 of 8).

The benchmarks themselves are described on their pages, linked in the table above, and the whole field is on the index.