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Gemma 4 31B vs Claude Sonnet 4.5

At a glance
GoogleGemma 4 31B

Google's fourth-generation open dense model with native multimodal understanding.

262K ctx$0.12/$0.35 per M
AnthropicClaude Sonnet 4.5

High-performance model for real-world agents and coding.

791M ctx$3.00/$15.00 per M#28/92
AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
GoogleGemma 4 31B
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Epoch AI·OpenRouter· as of 2026-07-10
Cheaper
Capability
Capability—
Reasoning & Knowledge
Graduate Science—Factual Recall9.6%
Math
Competition Math—Research Math—
Coding
Real-World Coding—
Agentic
Terminal Tasks—Novel Reasoning—
AnthropicClaude Sonnet 4.5
Reasoning
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Capability
CapabilityECI78.9
Reasoning & Knowledge
Graduate Science73.7%Factual Recall13.0%
Math
Competition Math35.6%Research Math9.3%
Coding
Real-World Coding71.3%
Agentic
Terminal Tasks42.8%Novel Reasoning3.8%
Specs
GoogleGemma 4 31B
262K
Context
128K
Max output
Apr 2026
Released
AnthropicClaude Sonnet 4.5
1M
Context
64K
Max output
Sep 2025
Released
Capabilities
GoogleGemma 4 31B
Vision
Audio
Reasoning
AnthropicClaude Sonnet 4.5
Vision
Audio
Reasoning
Pricing
GoogleGemma 4 31B
Live pricing, shown before you run
Input$0.12/M tokens
Output$0.35/M tokens
Cache read$0.09/M tokens
AnthropicClaude Sonnet 4.5
Live pricing, shown before you run
Input$3.00/M tokens
Output$15.00/M tokens
Cache read$0.30/M tokens
Cache write$3.75/M tokens
Web search$0.01/search
Chat with Gemma 4 31BGo to model
Chat with Claude Sonnet 4.5Go to model
Frequently Asked Questions: Gemma 4 31B vs Claude Sonnet 4.5▼

Which is better, Gemma 4 31B or Claude Sonnet 4.5?

▼

Both Gemma 4 31B and Claude Sonnet 4.5 are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which is cheaper, Gemma 4 31B or Claude Sonnet 4.5?

▼

Gemma 4 31B has a lower blended cost. Gemma 4 31B: $0.12 input / $0.35 output. Claude Sonnet 4.5: $3.00 input / $15.00 output.

Which has a larger context window, Gemma 4 31B or Claude Sonnet 4.5?

▼

Claude Sonnet 4.5 has a larger context window: Gemma 4 31B supports 262K tokens vs Claude Sonnet 4.5 at 1M tokens.

Do both Gemma 4 31B and Claude Sonnet 4.5 support vision?

▼

Yes, both Gemma 4 31B and Claude Sonnet 4.5 support vision/image input.

What are the key differences between Gemma 4 31B and Claude Sonnet 4.5?

▼

Key differences: Gemma 4 31B is significantly cheaper. Compare full specs on this page.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Gemma 4 31B and Claude Sonnet 4.5 for free on idapt.app to see which performs better for your specific needs.

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