Claude Sonnet 4 6 vs Gemini 2.5 Pro
Gemini 2.5 Pro is 2.4× cheaper on input tokens than Claude Sonnet 4 6. Gemini 2.5 Pro has a longer context window (1M vs 1M). 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
Chat
Function CallingVisionReasoning
Gemini 2.5 Pro
google/gemini-2.5-pro
Chat
Function CallingVision
Side-by-side specifications
| Spec | Claude Sonnet 4 6 | Gemini 2.5 Pro |
|---|---|---|
| Provider | Anthropic | |
| Full ID | anthropic/claude-sonnet-4-6 | google/gemini-2.5-pro |
| Mode | chat | chat |
| Parameters | N/A | N/A |
| Context window | 1M | 1M |
| Max output | 64K | 8K |
| Input price (per 1M) | $3.00 | $1.25 |
| Output price (per 1M) | $15.00 | $10.00 |
| License | N/A | N/A |
| Architecture | N/A | N/A |
Feature support
| Feature | Claude Sonnet 4 6 | Gemini 2.5 Pro |
|---|---|---|
| Function Calling | ✓ Supported | ✓ Supported |
| Reasoning | ✓ Supported | — |
| Vision | ✓ Supported | ✓ Supported |
Frequently asked questions
Which is cheaper, Claude Sonnet 4 6 or Gemini 2.5 Pro?
Gemini 2.5 Pro is cheaper at $1.25 per 1M input tokens vs $3.00 for Claude Sonnet 4 6.
Which has the larger context window, Claude Sonnet 4 6 or Gemini 2.5 Pro?
Gemini 2.5 Pro accepts up to 1M input tokens vs 1M for Claude Sonnet 4 6.
Can I use both Claude Sonnet 4 6 and Gemini 2.5 Pro via the same API?
Yes. haimaker.ai exposes both anthropic/claude-sonnet-4-6 and google/gemini-2.5-pro 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 Gemini 2.5 Pro via the haimaker API
One OpenAI-compatible endpoint. Switch between them by changing the model parameter.