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Google: Gemma 4 31B (free) vs Anthropic: Claude Sonnet 4

Head-to-head API cost, context, and performance comparison. Synced at 11:32:23 PM.

Executive Summary

When evaluating Google: Gemma 4 31B (free) against Anthropic: Claude Sonnet 4, the pricing structure is a key differentiator. Google: Gemma 4 31B (free) is approximately 100% more cost-effective per 1 million tokens overall. In fact, it is currently available for free inference, though developers should be mindful of potential rate limits or stability changes common with zero-cost or preview tiers.

However, when looking at raw reasoning capabilities, Anthropic: Claude Sonnet 4 leads with a statistical ELO score of 1439. For tasks involving complex logic, coding, or instruction-following, developers might prefer Anthropic: Claude Sonnet 4, provided their budget allows for the API burn rate.

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Raw Technical comparison

Metric
Google: Gemma 4 31B (free)
Anthropic: Claude Sonnet 4
Performance (ELO)
1439
1439
Input Cost / 1M
Free
$3.00
Output Cost / 1M
Free
$15.00
Context Window
262,144 tokens
200,000 tokens

Verdict

If you are looking for pure performance and capability, Tie is statistically superior. However, if API burn rate is the primary concern, Google: Gemma 4 31B (free) wins out aggressively in pricing.

People Also Ask

Is Google: Gemma 4 31B (free) cheaper than Anthropic: Claude Sonnet 4?

Yes. Google: Gemma 4 31B (free) is cheaper for both input and output generation compared to Anthropic: Claude Sonnet 4. Exploring alternatives often yields cost reductions.

Which model has the larger context window?

The Google: Gemma 4 31B (free) model has the advantage in memory, offering a massive 262,144 token limit for document ingestion.

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