Top picks for Medical Note Summarization (2026)
Patient note distillation. Not a substitute for a doctor. Ranked from 333 live models on the OpenRouter catalog, weighted for reasoning quality, context window, structured output.
| # | Model | Score | In / 1M | Out / 1M | Context | |
|---|---|---|---|---|---|---|
| 1 | Anthropic: Claude Sonnet 4.6anthropic/claude-sonnet-4.6 | 170 | $3.00 | $15.00 | 1,000,000 | Details → |
| 2 | Anthropic: Claude Opus 4.7anthropic/claude-opus-4.7 | 168 | $5.00 | $25.00 | 1,000,000 | Details → |
| 3 | OpenAI: GPT-5.4openai/gpt-5.4 | 164 | $2.50 | $15.00 | 1,050,000 | Details → |
| 4 | Google: Gemini 3.1 Pro Previewgoogle/gemini-3.1-pro-preview | 163 | $2.00 | $12.00 | 1,048,576 | Details → |
| 5 | OpenAI: GPT-5.2openai/gpt-5.2 | 162 | $1.75 | $14.00 | 400,000 | Details → |
| 6 | OpenAI: GPT-5openai/gpt-5 | 161 | $1.25 | $10.00 | 400,000 | Details → |
| 7 | DeepSeek: DeepSeek V4 Prodeepseek/deepseek-v4-pro | 161 | $0.43 | $0.87 | 1,048,576 | Details → |
| 8 | Anthropic: Claude Opus 4.8anthropic/claude-opus-4.8 | 160 | $5.00 | $25.00 | 1,000,000 | Details → |
| 9 | DeepSeek: DeepSeek V4 Flashdeepseek/deepseek-v4-flash | 158 | $0.10 | $0.20 | 1,048,576 | Details → |
| 10 | OpenAI: GPT-5.5openai/gpt-5.5 | 158 | $5.00 | $30.00 | 1,050,000 | Details → |
| 11 | xAI: Grok 4.20x-ai/grok-4.20 | 157 | $1.25 | $2.50 | 2,000,000 | Details → |
| 12 | Anthropic: Claude Sonnet 4.5anthropic/claude-sonnet-4.5 | 156 | $3.00 | $15.00 | 1,000,000 | Details → |
| 13 | OpenAI: o3openai/o3 | 156 | $2.00 | $8.00 | 200,000 | Details → |
| 14 | MoonshotAI: Kimi K2.6moonshotai/kimi-k2.6 | 156 | $0.67 | $3.39 | 262,144 | Details → |
| 15 | Anthropic: Claude Opus 4.6anthropic/claude-opus-4.6 | 155 | $5.00 | $25.00 | 1,000,000 | Details → |
How we ranked these
For Medical Note Summarization, we weight models on reasoning quality, context window, structured output. Scores combine each model's public specs with independent benchmark results (Aider Polyglot coding scores, Artificial Analysis intelligence/coding/agentic indices) and live pricing. See full methodology →
About Medical Note Summarization
Medical note summarization is the automated extraction of clinically relevant information from unstructured clinical documentation into concise, structured summaries. Use this when your clinical workflow requires faster chart review, documentation auditing, or feeding structured data into downstream systems like EHRs. Good models handle negations correctly (a critical failure mode), preserve dosages and dates without hallucination, and recognize clinical context that determines what's actually important. Poor models strip out critical modifiers, miss medication interactions, or conflate similar patients. Key constraint: processing time matters at shift-change handoffs, where 30-second turnaround can mean the difference between a summary that gets used and one that doesn't. This tool accelerates physician productivity but requires human verification of any clinical decision.
When to use: Use this when clinicians need to quickly review a patient's visit history, medications, or diagnoses without reading five pages of narrative notes, or when you're building systems that require structured clinical data extracted from free-text documentation.
Common questions
What is the difference between medical note summarization and general document summarization?
Medical summarization must preserve precise clinical semantics: "no fever" is categorically different from "fever," and "discontinued" versus "continued" changes the entire meaning. General summarizers often miss these negations and modifiers. Models like GPT-4 and specialized clinical models (such as those from Microsoft's Biomedical group) handle medical context better because they've been trained on clinical corpora where precision is non-negotiable.
How much does it cost to summarize thousands of patient notes per month?
API costs typically range from $0.02 to $0.15 per note using Claude or GPT-4, depending on note length and model choice. For 10,000 monthly notes, budget $200-1,500. Self-hosted open models like LLaMA can reduce per-unit cost but require infrastructure investment and carry higher accuracy risk in clinical settings.