Specifications
Context Window
—
Input Price/1M
—
Output Price/1M
—
Parameters
—
Benchmarks
Claude 2.1 results on the main AI model evaluation benchmarks. Higher scores indicate better performance.
Coding
| Benchmark | Score | Maximum | Methodology |
|---|---|---|---|
| LiveCodeBench | 20.0 | 100.0 | Artificial Analysis official API |
| SciCode | 18.0 | 100.0 | — |
| AA Coding Index | 14.0 | 100.0 | Artificial Analysis official API |
Knowledge
| Benchmark | Score | Maximum | Methodology |
|---|---|---|---|
| MMLU-Pro | 50.0 | 100.0 | — |
Math
| Benchmark | Score | Maximum | Methodology |
|---|---|---|---|
| MATH-500 | 37.4 | 100.0 | Artificial Analysis official API |
overall
| Benchmark | Score | Maximum | Methodology |
|---|---|---|---|
| AA Intelligence Index | 9.3 | 100.0 | Artificial Analysis official API |
Reasoning
| Benchmark | Score | Maximum | Methodology |
|---|---|---|---|
| MMLU Pro | 49.5 | 100.0 | Artificial Analysis official API |
| GPQA Diamond | 32.0 | 100.0 | Artificial Analysis official API |
| HLE | 4.0 | 100.0 | — |
Information
- Release date
- November 21, 2023
- Tool Calling
- ❌ Not supported
- Vision
- ❌ Not supported
- Audio
- ❌ Not supported
Full Analysis: Claude 2.1
What is Claude 2.1?
Claude 2.1 is an AI model developed by Anthropic, classified as a text model. It focuses on text processing and natural language generation. As a proprietary model, it is available via Anthropic's cloud API.
Pricing & Costs in 2026
Claude 2.1 does not have public per-token pricing available at this time. Some models offer access via enterprise plans or research programs. Check Anthropic's official website for up-to-date availability and pricing.
Benchmarks & Performance
Claude 2.1 was evaluated on 9 different benchmarks, covering categories like Coding, Knowledge, Math, overall, Reasoning. Results show moderate performance across available evaluations.
It's important to note that benchmarks measure specific aspects and don't capture the full user experience. Factors like instruction adherence, behavior in long conversations, and real-world task quality vary significantly between models and aren't always reflected in standard scores.
Recommended Use Cases
Claude 2.1 specializes in text, offering advanced capabilities for creating and processing text content.
Comparison with Alternatives
In the 2026 AI model ecosystem, Claude 2.1 competes directly with similarly capable models. Key competitors include GPT (OpenAI), Gemini (Google), and open source models like Llama (Meta) and DeepSeek. The choice between models depends on the specific use case, budget, latency requirements, and need for features like multimodality and tool calling.
For a detailed side-by-side comparison, use our comparison tool or check the overall model ranking.
Frequently Asked Questions
What is Claude 2.1?
Claude 2.1 is an AI model developed by Anthropic. It is a text model.
How much does Claude 2.1 cost?
Claude 2.1 does not have public per-token pricing available at this time. Check Anthropic's official website for up-to-date information.
How does Claude 2.1 compare with other models?
In available benchmarks, Claude 2.1 scored: LiveCodeBench: 20/100, SciCode: 18/100, AA Coding Index: 14/100. See the full table above for a detailed comparison.
Is Claude 2.1 open source?
No, Claude 2.1 is a proprietary model from Anthropic. It is available via cloud API. For open source alternatives, check our open source model ranking.
What is Claude 2.1 best for?
Claude 2.1 excels at general-purpose language tasks.
Last updated: June 01, 2026 • View methodology →