AI benchmarks and leaderboards are different things
Learn the difference between a benchmark, an evaluation run and a leaderboard, and use each to answer the right question.
LLM Stats
HealthBench Hard
A challenging variation of HealthBench that evaluates large language models' performance and safety in healthcare through 5,000 multi-turn conversations with particularly rigorous evaluation criteria validated by 262 physicians from 60 countries
Evaluation context and evidence
- Source
- LLM Stats
- Publisher
- Not recorded
- Benchmark release
- Not recorded
- Collected
- 2026-08-17
- Modality
- text
These are source-reported observations, not independent reruns by this site. Check the task version, evaluation protocol, unit and reporting date before comparing models. Results from different setups are not a universal ranking.
Original sources
Reported results 9
Shown in source observation order, not ranked. Dates retain the precision provided by the source.
| Model | Value | Unit | Protocol | Reported date and basis | Source |
|---|---|---|---|---|---|
| Muse Spark | 0.428 | Not recorded | Not recorded | 2026-04-08 · model_announcement | LLM Stats |
| GPT-5.6 Sol | 0.331 | Not recorded | Not recorded | 2026-07-09 · model_announcement | LLM Stats |
| GPT-5.6 Terra | 0.327 | Not recorded | Not recorded | 2026-07-09 · model_announcement | LLM Stats |
| GPT-5.6 Luna | 0.32 | Not recorded | Not recorded | 2026-07-09 · model_announcement | LLM Stats |
| GPT OSS 120B | 0.3 | Not recorded | Not recorded | 2025-08-05 · model_announcement | LLM Stats |
| GPT-5.3 Chat | 0.259 | Not recorded | Not recorded | 2026-03-04 · model_announcement | LLM Stats |
| GPT-5.5 Instant | 0.229 | Not recorded | Not recorded | 2026-05-05 · model_announcement | LLM Stats |
| GPT OSS 20B | 0.108 | Not recorded | Not recorded | 2025-08-05 · model_announcement | LLM Stats |
| GPT-5 | 0.016 | Not recorded | Not recorded | 2025-08-07 · model_announcement | LLM Stats |