Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchmarks such as SWE-bench Verified, with improvements across sy…
Model details →Anthropic: Claude Sonnet 4.5 vs Google: Gemini 2.5 Pro Preview 05-06
Google: Gemini 2.5 Pro Preview 05-06 wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
Gemini 2.5 Pro is Google’s state-of-the-art AI model designed for advanced reasoning, coding, mathematics, and scientific tasks. It employs “thinking” capabilities, enabling it to reason through responses with enhanced accuracy and nuanced …
Model details →Side-by-side comparison
| Capability | Anthropic: Claude Sonnet 4.5 | Google: Gemini 2.5 Pro Preview 05-06 | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1M | 1.0M | 🏆 Google: Gemini 2.5 Pro Preview 05-06 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $3.00 | $1.25 | 🏆 Google: Gemini 2.5 Pro Preview 05-06 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $15.00 | $10.00 | 🏆 Google: Gemini 2.5 Pro Preview 05-06 |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is Anthropic: Claude Sonnet 4.5 better than Google: Gemini 2.5 Pro Preview 05-06?
Google: Gemini 2.5 Pro Preview 05-06 wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Anthropic: Claude Sonnet 4.5 and Google: Gemini 2.5 Pro Preview 05-06?
Input: $3.00 vs $1.25 per 1M tokens. Output: $15.00 vs $10.00 per 1M tokens.
What context windows do Anthropic: Claude Sonnet 4.5 and Google: Gemini 2.5 Pro Preview 05-06 support?
Anthropic: Claude Sonnet 4.5 supports up to 1M tokens. Google: Gemini 2.5 Pro Preview 05-06 supports up to 1.0M tokens.
Do both Anthropic: Claude Sonnet 4.5 and Google: Gemini 2.5 Pro Preview 05-06 support tool calling?
Anthropic: Claude Sonnet 4.5: yes. Google: Gemini 2.5 Pro Preview 05-06: yes.