R1 Model Specs, Costs & Benchmarks (July 2026)
R1, developed by DeepSeek, features a context window of 163.8K tokens. The model costs $0.70 per million tokens for input and $2.50 per million tokens for output. It was released on January 20, 2025, and has achieved impressive scores in various benchmarks.
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Overview
 R1 | |
|---|---|
Model Provider The organization behind this AI's development | DeepSeek |
Input Context Window Maximum input tokens this model can process at once | 163.8K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 16K tokens |
Release Date When this model first became publicly available | January 20, 2025 1 year ago January 20th, 2025 |
Knowledge Cutoff Latest training-data date reported by the provider | July 31, 2024 |
Pricing
| R1 | |
|---|---|
Input Token Cost Cost per million input tokens | $0.70 per million tokens |
Output Token Cost Cost per million output tokens | $2.50 per million tokens |
Capabilities & Features
| R1 | |
|---|---|
Input Types Supported input formats | text |
Output Types Supported output formats | text |
Tokenizer Text encoding system | DeepSeek |
Key Features Advanced capabilities | ✓ Function Calling✓ Structured Output✓ Reasoning Mode |
Reasoning Controls Defaults and configurable reasoning effort | Always enabled |
Open Source Model availability |
Benchmarks
| R1 | |
|---|---|
Intelligence Index Overall model quality across independent evaluations | 18.5 (Artificial Analysis index; higher is better) |
Coding Index Programming performance across independent evaluations | 24.6 (Artificial Analysis index; higher is better) |
Agentic Index Ability to complete multi-step agentic tasks | 3.1 (Artificial Analysis index; higher is better) |
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