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Claude Sonnet 5 vs Gemma 2 27B

At a glance

Anthropic's fifth-generation Sonnet — near-Opus intelligence at Sonnet speed and price.

801M ctx$2.00/$10.00 per M#26/92

Second-generation open model from Google DeepMind.

578K ctx$0.65/$0.65 per M#72/92
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Reasoning
CI 72.7-84.7Provisional
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Smarter41%
Capability
CapabilityECI41%80.1
Reasoning & Knowledge
Graduate Science148%90.5%Factual Recall25.0%
Math
Math Problems—Competition Math6720%94.7%
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper84%
Capability
CapabilityECI56.8
Reasoning & Knowledge
Graduate Science36.5%Factual Recall—
Math
Math Problems27.9%Competition Math1.4%
Specs
1M
Context
128K
Max output
Jun 2026
Released
8K
Context
2K
Max output
Jul 2024
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$2.00/M tokens
Output$10.00/M tokens
Cache read$0.20/M tokens
Cache write$2.50/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input68%$0.65/M tokens
Output94%$0.65/M tokens
Chat with Claude Sonnet 5Go to model
Chat with Gemma 2 27BGo to model
Frequently Asked Questions: Claude Sonnet 5 vs Gemma 2 27B▼

Which is better, Claude Sonnet 5 or Gemma 2 27B?

▼

Based on the Capability Index, Claude Sonnet 5 scores higher (80.1 vs 56.8). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.

Which is cheaper, Claude Sonnet 5 or Gemma 2 27B?

▼

Gemma 2 27B has a lower blended cost. Claude Sonnet 5: $2.00 input / $10.00 output. Gemma 2 27B: $0.65 input / $0.65 output.

Which has a larger context window, Claude Sonnet 5 or Gemma 2 27B?

▼

Claude Sonnet 5 has a larger context window: Claude Sonnet 5 supports 1M tokens vs Gemma 2 27B at 8K tokens.

Do both Claude Sonnet 5 and Gemma 2 27B support vision?

▼

Claude Sonnet 5 supports vision/image input, but Gemma 2 27B does not.

What are the key differences between Claude Sonnet 5 and Gemma 2 27B?

▼

Key differences: Claude Sonnet 5 has a notably higher capability index (23.3 point gap); Gemma 2 27B is significantly cheaper; only Claude Sonnet 5 supports vision input; only Claude Sonnet 5 offers extended reasoning mode. 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 Claude Sonnet 5 and Gemma 2 27B for free on idapt.app to see which performs better for your specific needs.

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