reasoning benchmark
OmniScience Leaderboard
OmniScience is a broad scientific knowledge and reasoning benchmark that measures both answer accuracy and non-hallucination (calibrated abstention) across science domains.
Updated Aug 17, 2026
Models3
Model coverage3
MetricScore
EvidenceB
OmniScience Ranking
Higher score ranks better on this benchmark.
Sort by
Rank | Model | Score | Percentile | Participants | Evidence | Evaluated |
|---|
| Rank01 | ModelNV | Score78.7% | Percentile100.0% | Participants3 | EvidenceC | Evaluated |
| Rank02 | ModelXA | Score52.0% | Percentile50.0% | Participants3 | EvidenceB | Evaluated |
| Rank03 | ModelNV | Score17.5% | Percentile0.0% | Participants3 | EvidenceC | Evaluated |
OmniScience Highlights
The leading models and scores on this benchmark.
OmniScience Score Distribution
A closer view of the leading scores on this benchmark.
The Top AI Models for OmniScience
The first five results on this benchmark, with official price and output speed added where the model identity can be matched.
Ranking basisThis omniscience AI model leaderboard uses descending score in the benchmark's original unit. The leaderboard ranking keeps matched price and speed data separate from benchmark evidence.
- 01NV
- Score
- 78.7%
- Price
- $0.50 input / $2.5 output per 1M tokens
Strengths
- Ranks #1 of 3 compared models
- 100th percentile on this benchmark
- C evidence result
Considerations
- This result measures OmniScience, not total model capability
- 02XAGrok 4.5xAI
- Score
- 52.0%
- Price
- $2.0 input / $6.0 output per 1M tokens
- Speed
- Up to 4.3 tok/s via xAI
Strengths
- Ranks #2 of 3 compared models
- 50th percentile on this benchmark
- B evidence result
Considerations
- This result measures OmniScience, not total model capability
- 03NV
- Score
- 17.5%
Strengths
- Ranks #3 of 3 compared models
- 0th percentile on this benchmark
- C evidence result
Considerations
- This result measures OmniScience, not total model capability
Selection summary
Best AI Models for OmniScience
Nemotron 3 Ultra (550B A55B) currently leads OmniScience with 78.7%. It is the top model on this specific benchmark, while the best LLM for the broader task should also be checked against other benchmarks, price and runtime.
Use this leaderboard with the supporting benchmark results and coverage details above. A leaderboard position summarizes the selected ranking signal; it does not replace workload-specific testing.
What is OmniScience?
What OmniScience measures and how its scores work.
OmniScience is a broad scientific knowledge and reasoning benchmark that measures both answer accuracy and non-hallucination (calibrated abstention) across science domains.
Scores are shown in ratio. This benchmark is not independently verified and has an evidence level of B.
- Family
- OmniScience
- Modality
- text
- Primary category
- reasoning
- Score direction
- higher
- LLMBoard eligible
- Yes
- Evaluation key
- omniscience|llm-stats-current
Benchmark scores retain their original unit. Overall score eligibility is shown separately.
FAQ
Common questions about OmniScience.
Which model scores highest on OmniScience?
Nemotron 3 Ultra (550B A55B) is currently ranked first with 78.7%.
What does OmniScience measure?
OmniScience is a broad scientific knowledge and reasoning benchmark that measures both answer accuracy and non-hallucination (calibrated abstention) across science domains.
Is a higher score better?
Yes. Higher values rank better for this benchmark.
How many models are compared?
3 model results are currently shown.
Does this benchmark affect the overall score?
Yes. This benchmark can contribute to the current LLMBoard capability score.