Anthropic: Claude Sonnet 4.6 vs Google: Gemini 3.1 Pro Preview
Side-by-side comparison of Anthropic: Claude Sonnet 4.6 and Google: Gemini 3.1 Pro Preview. Compare pricing, context window, capabilities, and find out which is better for your workflow.
Verdict
moderate confidenceGoogle: Gemini 3.1 Pro Preview leads overall
Google: Gemini 3.1 Pro Preview has a meaningful edge overall, but Anthropic: Claude Sonnet 4.6 is stronger in specific areas. Your use case determines the right pick.
Best for with Anthropic: Claude Sonnet 4.6
Best for with Google: Gemini 3.1 Pro Preview
Side-by-side
Technical specifications
| Anthropic: Claude Sonnet 4.6 | Google: Gemini 3.1 Pro Preview | |
|---|---|---|
| Provider | Anthropic | |
| Input price | $3/M | $2/M |
| Output price | $15/M | $12/M |
| Context window | 1.0M | 1.0M |
| Max output | 128K | 66K |
| Capabilities | Tool useVisionReasoning | Tool useVisionAudioReasoning |
| Released | Feb 17, 2026 | Feb 19, 2026 |
Scoring breakdown
How each dimension compares
Price
Google: Gemini 3.1 Pro Preview leadsAnthropic: Claude Sonnet 4.6
$3/M in / $15/M out
Google: Gemini 3.1 Pro Preview
$2/M in / $12/M out
Context Window
Google: Gemini 3.1 Pro Preview leadsAnthropic: Claude Sonnet 4.6
1.0M
Google: Gemini 3.1 Pro Preview
1.0M
Capabilities
Google: Gemini 3.1 Pro Preview leadsAnthropic: Claude Sonnet 4.6
3/4 features
Google: Gemini 3.1 Pro Preview
4/4 features
Max Output
Anthropic: Claude Sonnet 4.6 leadsAnthropic: Claude Sonnet 4.6
128K
Google: Gemini 3.1 Pro Preview
66K
Release Date
Google: Gemini 3.1 Pro Preview leadsAnthropic: Claude Sonnet 4.6
Feb 17, 2026
Google: Gemini 3.1 Pro Preview
Feb 19, 2026
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