Claude 2.1
Claude 2.1 is Anthropic's language model. Anthropic's Claude 2.1 update featuring reduced hallucination rates and an expanded 200K token context window.
Capabilities
Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| Claude Opus 4.7 Fast | 1.0M | $30.00 | $150.00 | Available | |
| Claude Opus 4.7 | 1.0M | $5.00 | $25.00 | Available | |
| Claude Sonnet 4.6 | 1.0M | $3.00 | $15.00 | Available | |
| Claude Opus 4.6 | 1.0M | $5.00 | $25.00 | Available | |
| Claude Opus 4.5 | 410K | $5.00 | $25.00 | Available | |
| Claude Haiku 4.5 | 200K | $1.00 | $5.00 | Deprecating | |
| Claude Sonnet 4.5 | 1.0M | $3.00 | $15.00 | Available | |
| Claude Opus 4.1 | 200K | $15.00 | $75.00 | Deprecating | |
| Claude Opus 4 | 410K | $15.00 | $75.00 | Deprecated | |
| Claude Sonnet 4 | 1.0M | $3.00 | $15.00 | Deprecated | |
| Claude 2.1 | — | — | — | — | Current |