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: Nano Banana Pro (Gemini 3 Pro Image Preview)
Anthropic: Claude Sonnet 4.5 and Google: Nano Banana Pro (Gemini 3 Pro Image Preview) are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
Nano Banana Pro is Google’s most advanced image-generation and editing model, built on Gemini 3 Pro. It extends the original Nano Banana with significantly improved multimodal reasoning, real-world grounding, and high-fidelity visual synthe…
Model details →Side-by-side comparison
| Capability | Anthropic: Claude Sonnet 4.5 | Google: Nano Banana Pro (Gemini 3 Pro Image Preview) | 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 | $2.00 | 🏆 Google: Nano Banana Pro (Gemini 3 Pro Image Preview) |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $15.00 | $12.00 | 🏆 Google: Nano Banana Pro (Gemini 3 Pro Image Preview) |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | — | 🏆 Anthropic: Claude Sonnet 4.5 |
| 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 Pro (Gemini 3 Pro Image Preview)?
Anthropic: Claude Sonnet 4.5 and Google: Nano Banana Pro (Gemini 3 Pro Image Preview) are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
What's the price difference between Anthropic: Claude Sonnet 4.5 and Google: Nano Banana Pro (Gemini 3 Pro Image Preview)?
Input: $3.00 vs $2.00 per 1M tokens. Output: $15.00 vs $12.00 per 1M tokens.
What context windows do Anthropic: Claude Sonnet 4.5 and Google: Nano Banana Pro (Gemini 3 Pro Image Preview) support?
Anthropic: Claude Sonnet 4.5 supports up to 1M tokens. Google: Nano Banana Pro (Gemini 3 Pro Image Preview) supports up to 66K tokens.
Do both Anthropic: Claude Sonnet 4.5 and Google: Nano Banana Pro (Gemini 3 Pro Image Preview) support tool calling?
Anthropic: Claude Sonnet 4.5: yes. Google: Nano Banana Pro (Gemini 3 Pro Image Preview): not advertised.