Claude 1 is Anthropic's language model with a 100K context window and up to 8K output tokens, starting at $8.00 / 1M input and $24.00 / 1M output. Anthropic's first-generation Claude LLM, establishing the Constitutional AI approach for helpful and harmless dialogue.
Capabilities
Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·
Pricing by Provider
US Dollar ($)
Per 1M tokens
| Provider | Standard | |
|---|---|---|
| Input $ / 1M | Output $ / 1M | |
| $8.00 | $24.00 | |
Cost Calculator
US Dollar ($)
Preset:
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| Claude Fable 5 | 1.0M | $10.00 | $50.00 | Available | |
| Claude Mythos 5 | — | 1.0M | $10.00 | $50.00 | Available |
| Claude Opus 4.8 | 1.0M | $5.00 | $25.00 | Available | |
| Claude Opus 4.8 Fast | 1.0M | $10.00 | $50.00 | Available | |
| 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 | Deprecating | |
| Claude Opus 4.5 | 410K | $5.00 | $25.00 | Available | |
| Claude Haiku 4.5 | 200K | $1.00 | $5.00 | Deprecating | |
| Claude 1 | — | 100K | $8.00 | $24.00 | Current |