HealthBench Professional

Accessible data for HealthBench Professional leaderboard
Model	Rank	Model ID	Provider	Score	Unit
GPT-5.6 Sol	#1	gpt-5-6-sol	OpenAI	60.5	percent
Claude Opus 5	#2	claude-opus-5	Anthropic	59.8	percent
Muse Spark 1.1	#3	muse-spark-1-1	Meta	59.3	percent
GPT-5.6 Terra	#4	gpt-5-6-terra	OpenAI	57.7	percent
GPT-5.6 Luna	#5	gpt-5-6-luna	OpenAI	55.7	percent
GPT-5.4	#6	gpt-5-4	OpenAI	48.1	percent

HealthBench Professional leaderboard ranked by score
Rank	Model	Provider	License	Evidence use	Score
#1	GPT-5.6 Sol gpt-5.6-sol	OpenAI	closed	Source carrier	60.5%
#2	Claude Opus 5 claude-opus-5	Anthropic	closed	Public reference	59.8%
#3	Muse Spark 1.1 muse-spark-1-1	Meta	closed	Source carrier	59.3%
#4	GPT-5.6 Terra gpt-5.6-terra	OpenAI	closed	Source carrier	57.7%
#5	GPT-5.6 Luna gpt-5.6-luna	OpenAI	closed	Source carrier	55.7%
#6	GPT-5.4 gpt-5.4	OpenAI	closed	Source carrier	48.1%

Rank

Model

Provider

License

Evidence use

Score

GPT-5.6 Sol

gpt-5.6-sol

OpenAI

closed

Source carrier

60.5%

Claude Opus 5

claude-opus-5

Anthropic

closed

Public reference

59.8%

Muse Spark 1.1

muse-spark-1-1

Every distinct dated source-published row for HealthBench Professional, including exact model configuration labels
Exact published model / configuration	Canonical product	Score	Version / system	Evidence	Source / observed
Exact BenchLM registry variant GPT-5.6 Sol; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	GPT-5.6 Sol	60.5%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 2026-08-01 ↗Observed 2026-08-01 · checked 2026-08-01
Exact BenchLM registry variant Claude Opus 5; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	Claude Opus 5	59.8%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 2026-08-01 ↗Observed 2026-08-01 · checked 2026-08-01
Exact BenchLM registry variant Muse Spark 1.1; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	Muse Spark 1.1	59.3%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 2026-08-01 ↗Observed 2026-08-01 · checked 2026-08-01
Exact BenchLM registry variant GPT-5.6 Terra; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	GPT-5.6 Terra	57.7%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 2026-08-01 ↗Observed 2026-08-01 · checked 2026-08-01
Exact BenchLM registry variant GPT-5.6 Luna; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	GPT-5.6 Luna	55.7%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 2026-08-01 ↗Observed 2026-08-01 · checked 2026-08-01
Exact BenchLM registry variant GPT-5.4; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	GPT-5.4	48.1%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 2026-08-01 ↗Observed 2026-08-01 · checked 2026-08-01
Exact BenchLM registry variant GPT-5.6 Sol; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	GPT-5.6 Sol	60.5%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 2026-07-27 ↗Observed 2026-07-27 · checked 2026-07-27
Exact BenchLM registry variant Claude Opus 5; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	Claude Opus 5	59.8%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 2026-07-27 ↗Observed 2026-07-27 · checked 2026-07-27
Exact BenchLM registry variant Muse Spark 1.1; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	Muse Spark 1.1	59.3%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 2026-07-27 ↗Observed 2026-07-27 · checked 2026-07-27
Exact BenchLM registry variant GPT-5.6 Terra; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	GPT-5.6 Terra	57.7%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 2026-07-27 ↗Observed 2026-07-27 · checked 2026-07-27
Exact BenchLM registry variant GPT-5.6 Luna; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	GPT-5.6 Luna	55.7%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 2026-07-27 ↗Observed 2026-07-27 · checked 2026-07-27
Exact BenchLM registry variant GPT-5.4; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	GPT-5.4	48.1%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 2026-07-27 ↗Observed 2026-07-27 · checked 2026-07-27
HealthBench Professional as published in the Anthropic Claude Opus 5 launch table. source label without registered configuration ID	Claude Opus 5	59.8%	2026Anthropic provider evaluation	Public reference · not scored provider-reported	Introducing Claude Opus 5 ↗Observed 2026-07-24 · checked 2026-07-24
Exact BenchLM registry variant GPT-5.6 Sol; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	GPT-5.6 Sol	60.5%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 21 July 2026 ↗Observed 2026-07-21 · checked 2026-07-21
Exact BenchLM registry variant Muse Spark 1.1; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	Muse Spark 1.1	59.3%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 21 July 2026 ↗Observed 2026-07-21 · checked 2026-07-21
Exact BenchLM registry variant GPT-5.6 Terra; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	GPT-5.6 Terra	57.7%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 21 July 2026 ↗Observed 2026-07-21 · checked 2026-07-21
Exact BenchLM registry variant GPT-5.6 Luna; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	GPT-5.6 Luna	55.7%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 21 July 2026 ↗Observed 2026-07-21 · checked 2026-07-21
Exact BenchLM registry variant GPT-5.4; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	GPT-5.4	48.1%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 21 July 2026 ↗Observed 2026-07-21 · checked 2026-07-21

What does HealthBench Professional measure?

An open benchmark for clinician-facing model responses across care consult, writing and documentation, and medical research tasks.

Which model scores highest on HealthBench Professional?

GPT-5.6 Sol by OpenAI currently leads with 60.5%.

How many models are evaluated on HealthBench Professional?

6 canonical model products have a qualifying score, backed by 18 distinct dated source rows.

Does this affect overall Lumina rank?

No. This benchmark is display-only and does not enter the overall Lumina composite.

Accessible data for HealthBench Professional leaderboard
Model	Rank	Model ID	Provider	Score	Unit
GPT-5.6 Sol	#1	gpt-5-6-sol	OpenAI	60.5	percent
Claude Opus 5	#2	claude-opus-5	Anthropic	59.8	percent
Muse Spark 1.1	#3	muse-spark-1-1	Meta	59.3	percent
GPT-5.6 Terra	#4	gpt-5-6-terra	OpenAI	57.7	percent
GPT-5.6 Luna	#5	gpt-5-6-luna	OpenAI	55.7	percent
GPT-5.4	#6	gpt-5-4	OpenAI	48.1	percent

HealthBench Professional leaderboard ranked by score
Rank	Model	Provider	License	Evidence use	Score
#1	GPT-5.6 Sol gpt-5.6-sol	OpenAI	closed	Source carrier	60.5%
#2	Claude Opus 5 claude-opus-5	Anthropic	closed	Public reference	59.8%
#3	Muse Spark 1.1 muse-spark-1-1	Meta	closed	Source carrier	59.3%
#4	GPT-5.6 Terra gpt-5.6-terra	OpenAI	closed	Source carrier	57.7%
#5	GPT-5.6 Luna gpt-5.6-luna	OpenAI	closed	Source carrier	55.7%
#6	GPT-5.4 gpt-5.4	OpenAI	closed	Source carrier	48.1%

Rank

Model

Provider

License

Evidence use

Score

GPT-5.6 Sol

gpt-5.6-sol

OpenAI

closed

Source carrier

60.5%

Claude Opus 5

claude-opus-5

Anthropic

closed

Public reference

59.8%

Muse Spark 1.1

muse-spark-1-1

Every distinct dated source-published row for HealthBench Professional, including exact model configuration labels
Exact published model / configuration	Canonical product	Score	Version / system	Evidence	Source / observed
Exact BenchLM registry variant GPT-5.6 Sol; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	GPT-5.6 Sol	60.5%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 2026-08-01 ↗Observed 2026-08-01 · checked 2026-08-01
Exact BenchLM registry variant Claude Opus 5; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	Claude Opus 5	59.8%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 2026-08-01 ↗Observed 2026-08-01 · checked 2026-08-01
Exact BenchLM registry variant Muse Spark 1.1; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	Muse Spark 1.1	59.3%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 2026-08-01 ↗Observed 2026-08-01 · checked 2026-08-01
Exact BenchLM registry variant GPT-5.6 Terra; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	GPT-5.6 Terra	57.7%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 2026-08-01 ↗Observed 2026-08-01 · checked 2026-08-01
Exact BenchLM registry variant GPT-5.6 Luna; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	GPT-5.6 Luna	55.7%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 2026-08-01 ↗Observed 2026-08-01 · checked 2026-08-01
Exact BenchLM registry variant GPT-5.4; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	GPT-5.4	48.1%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 2026-08-01 ↗Observed 2026-08-01 · checked 2026-08-01
Exact BenchLM registry variant GPT-5.6 Sol; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	GPT-5.6 Sol	60.5%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 2026-07-27 ↗Observed 2026-07-27 · checked 2026-07-27
Exact BenchLM registry variant Claude Opus 5; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	Claude Opus 5	59.8%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 2026-07-27 ↗Observed 2026-07-27 · checked 2026-07-27
Exact BenchLM registry variant Muse Spark 1.1; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	Muse Spark 1.1	59.3%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 2026-07-27 ↗Observed 2026-07-27 · checked 2026-07-27
Exact BenchLM registry variant GPT-5.6 Terra; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	GPT-5.6 Terra	57.7%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 2026-07-27 ↗Observed 2026-07-27 · checked 2026-07-27
Exact BenchLM registry variant GPT-5.6 Luna; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	GPT-5.6 Luna	55.7%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 2026-07-27 ↗Observed 2026-07-27 · checked 2026-07-27
Exact BenchLM registry variant GPT-5.4; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	GPT-5.4	48.1%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 2026-07-27 ↗Observed 2026-07-27 · checked 2026-07-27
HealthBench Professional as published in the Anthropic Claude Opus 5 launch table. source label without registered configuration ID	Claude Opus 5	59.8%	2026Anthropic provider evaluation	Public reference · not scored provider-reported	Introducing Claude Opus 5 ↗Observed 2026-07-24 · checked 2026-07-24
Exact BenchLM registry variant GPT-5.6 Sol; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	GPT-5.6 Sol	60.5%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 21 July 2026 ↗Observed 2026-07-21 · checked 2026-07-21
Exact BenchLM registry variant Muse Spark 1.1; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	Muse Spark 1.1	59.3%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 21 July 2026 ↗Observed 2026-07-21 · checked 2026-07-21
Exact BenchLM registry variant GPT-5.6 Terra; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	GPT-5.6 Terra	57.7%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 21 July 2026 ↗Observed 2026-07-21 · checked 2026-07-21
Exact BenchLM registry variant GPT-5.6 Luna; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	GPT-5.6 Luna	55.7%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 21 July 2026 ↗Observed 2026-07-21 · checked 2026-07-21
Exact BenchLM registry variant GPT-5.4; bulk export does not retain a complete upstream harness configuration. source label without registered configuration ID	GPT-5.4	48.1%	2026Source-native system	Source carrier · no additional scoring weight source-checked	BenchLM public datasets — 21 July 2026 ↗Observed 2026-07-21 · checked 2026-07-21

What does HealthBench Professional measure?

An open benchmark for clinician-facing model responses across care consult, writing and documentation, and medical research tasks.

Which model scores highest on HealthBench Professional?

GPT-5.6 Sol by OpenAI currently leads with 60.5%.

How many models are evaluated on HealthBench Professional?

6 canonical model products have a qualifying score, backed by 18 distinct dated source rows.

Does this affect overall Lumina rank?

No. This benchmark is display-only and does not enter the overall Lumina composite.

Navigation

HealthBench Professional

Leaderboard · 6 models

GPT-5.6 Sol

Claude Opus 5

Muse Spark 1.1