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.