Claude Sonnet 4.6 vs Claude Haiku 4.5 20251001
Claude Haiku 4.5 20251001 is 3.0× cheaper on input tokens than Claude Sonnet 4.6. Claude Sonnet 4.6 has a longer context window (1M vs 200K). Both models are accessible via the haimaker.ai OpenAI-compatible API at https://api.haimaker.ai/v1.
Claude Sonnet 4.6
anthropic/claude-sonnet-4-6
Claude Haiku 4.5 20251001
anthropic/claude-haiku-4-5-20251001
Side-by-side specifications
| Spec | Claude Sonnet 4.6 | Claude Haiku 4.5 20251001 |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Full ID | anthropic/claude-sonnet-4-6 | anthropic/claude-haiku-4-5-20251001 |
| Mode | chat | chat |
| Parameters | N/A | N/A |
| Context window | 1M | 200K |
| Max output | 64K | 64K |
| Input price (per 1M) | $3.00 | $1.00 |
| Output price (per 1M) | $15.00 | $5.00 |
| License | N/A | N/A |
| Architecture | N/A | N/A |
Feature support
| Feature | Claude Sonnet 4.6 | Claude Haiku 4.5 20251001 |
|---|---|---|
| Function Calling | ✓ Supported | ✓ Supported |
| Reasoning | ✓ Supported | ✓ Supported |
| Vision | ✓ Supported | ✓ Supported |
Frequently asked questions
Which is cheaper, Claude Sonnet 4.6 or Claude Haiku 4.5 20251001?
Claude Haiku 4.5 20251001 is cheaper at $1.00 per 1M input tokens vs $3.00 for Claude Sonnet 4.6.
Which has the larger context window, Claude Sonnet 4.6 or Claude Haiku 4.5 20251001?
Claude Sonnet 4.6 accepts up to 1M input tokens vs 200K for Claude Haiku 4.5 20251001.
Can I use both Claude Sonnet 4.6 and Claude Haiku 4.5 20251001 via the same API?
Yes. haimaker.ai exposes both anthropic/claude-sonnet-4-6 and anthropic/claude-haiku-4-5-20251001 on the same OpenAI-compatible endpoint at https://api.haimaker.ai/v1, so you can switch between them by changing the model parameter in your request.
Try Claude Sonnet 4.6 or Claude Haiku 4.5 20251001 via the haimaker API
One OpenAI-compatible endpoint. Switch between them by changing the model parameter.