# Anthropic biomedical-image-analysis evaluation (Biomedical image analysis)

> Quantitative biomedical image analysis across segmentation, detection, measurement, classification, registration, reconstruction, and tracking tasks.

Canonical page: https://benchlm.ai/benchmarks/biomedicalimageanalysis

- Category: [Multimodal & Grounded](/multimodal-grounded)
- Last updated: September 27, 2026

## About Biomedical image analysis

- Year: 2026
- Tasks: 91 cases across 31 biomedical imaging tasks
- Format: Normalized task metric
- Difficulty: Biomedical image analysis
- Paper: [Claude Opus 5.5 System Card](https://www-cdn.anthropic.com/fc1b44717c85dc068bc6ba5024219938094694bd/Claude%20Opus%205.5%20System%20Card.pdf)

Section 8.17.7 reports a provider-run evaluation over 91 cases from 31 public biomedical imaging tasks, normalized against a baseline and the best published competition result. It is display-only evidence.

Biomedical image analysis is currently displayed on BenchLM for reference, but it is excluded from the weighted scoring formula.

## Leaderboard (1 models)

| Rank | Model | Creator | Score |
|------|-------|---------|-------|
| 1 | [Claude Opus 5.5](/models/claude-opus-5-5) | Anthropic | 71.4% |

## FAQ

### What does Biomedical image analysis measure?

Quantitative biomedical image analysis across segmentation, detection, measurement, classification, registration, reconstruction, and tracking tasks.

### Which model scores highest on Biomedical image analysis?

Claude Opus 5.5 by Anthropic currently leads with a score of 71.4% on Biomedical image analysis.

### How many models are evaluated on Biomedical image analysis?

1 AI models have been evaluated on Biomedical image analysis on BenchLM.

### Does Biomedical image analysis affect BenchLM's overall score?

Not directly. Biomedical image analysis is still displayed on BenchLM for reference, but it is excluded from the weighted scoring formula.