Best Input Price
$2.60 / 1M
Claude 4 Sonnet by Anthropic. A new generation model with improved capabilities, especially on programming and development. NOTE: Inputs > 200k tokens are charged at 2x input, 1.5x output rate.
Context Window
1,000,000 tokens
Reasoning
Supported
Tool Calling
Supported
Released
2025-05-21
Inference Providers (5)
| Provider | Model ID | Context | Input / 1M | Output / 1M | Action |
|---|---|---|---|---|---|
| Poe | anthropic/claude-sonnet-4 | 983,040 | $2.60 | $13.00 | Docs ↗ |
| NanoGPT | anthropic/claude-sonnet-4 | 200,000 | $3.00 | $15.00 | Docs ↗ |
| Kilo Gateway | anthropic/claude-sonnet-4 | 200,000 | $3.00 | $15.00 | Docs ↗ |
| OpenRouter | anthropic/claude-sonnet-4 | 200,000 | $3.00 | $15.00 | Docs ↗ |
| ZenMux | anthropic/claude-sonnet-4 | 1,000,000 | $3.00 | $15.00 | Docs ↗ |