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...
Model details →Anthropic: Claude Sonnet 4.5 vs Google: Nano Banana 2.1
Google: Nano Banana 2.1 wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
Nano Banana 2.1 (Gemini Nano Banana 2.1) is Google's image generation and editing model on the Flash tier, succeeding Nano Banana 2 and Nano Banana Pro. It improves product recontextualization,...
Model details →Side-by-side comparison
| Capability | Anthropic: Claude Sonnet 4.5 | Google: Nano Banana 2.1 | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1M | 66K | 🏆 Anthropic: Claude Sonnet 4.5 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $3.00 | $1.50 | 🏆 Google: Nano Banana 2.1 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $15.00 | $7.50 | 🏆 Google: Nano Banana 2.1 |
| 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: Nano Banana 2.1?
Google: Nano Banana 2.1 wins on 2 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: Nano Banana 2.1?
Input: $3.00 vs $1.50 per 1M tokens. Output: $15.00 vs $7.50 per 1M tokens.
What context windows do Anthropic: Claude Sonnet 4.5 and Google: Nano Banana 2.1 support?
Anthropic: Claude Sonnet 4.5 supports up to 1M tokens. Google: Nano Banana 2.1 supports up to 66K tokens.
Do both Anthropic: Claude Sonnet 4.5 and Google: Nano Banana 2.1 support tool calling?
Anthropic: Claude Sonnet 4.5: yes. Google: Nano Banana 2.1: yes.