Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work. It supports adaptive thinking with selectable reasoning effort levels (low, medium, high, max,...
Model details →Anthropic: Claude Sonnet 5 (batch) vs Google: Gemini 3.5 Flash
Anthropic: Claude Sonnet 5 (batch) wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
Gemini 3.5 Flash is Google's high-efficiency multimodal model, bringing near-Pro level coding and reasoning at Flash-tier cost and speed. It is highly optimized for coding proficiency and parallel agentic execution...
Model details →Side-by-side comparison
| Capability | Anthropic: Claude Sonnet 5 (batch) | Google: Gemini 3.5 Flash | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1M | 1.0M | 🏆 Google: Gemini 3.5 Flash |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $1.00 | $1.50 | 🏆 Anthropic: Claude Sonnet 5 (batch) |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $5.00 | $9.00 | 🏆 Anthropic: Claude Sonnet 5 (batch) |
| 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 5 (batch) better than Google: Gemini 3.5 Flash?
Anthropic: Claude Sonnet 5 (batch) 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 5 (batch) and Google: Gemini 3.5 Flash?
Input: $1.00 vs $1.50 per 1M tokens. Output: $5.00 vs $9.00 per 1M tokens.
What context windows do Anthropic: Claude Sonnet 5 (batch) and Google: Gemini 3.5 Flash support?
Anthropic: Claude Sonnet 5 (batch) supports up to 1M tokens. Google: Gemini 3.5 Flash supports up to 1.0M tokens.
Do both Anthropic: Claude Sonnet 5 (batch) and Google: Gemini 3.5 Flash support tool calling?
Anthropic: Claude Sonnet 5 (batch): yes. Google: Gemini 3.5 Flash: yes.
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