Claude Opus 4 vs Gemma 4 31B
Claude Opus 4 and Gemma 4 31B are closely matched at 27.8 and 33.2 on the LLM Stats Score. Gemma 4 31B is 155.8x cheaper per token.
Anthropic · Google · Updated for 2026
Which is better?
Claude Opus 4 and Gemma 4 31B are closely matched on the overall LLM Stats Score at 27.8 and 33.2.
The models split the 2 individual benchmarks reported for both models evenly.
On price, Gemma 4 31B is roughly 155.8x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Gemma 4 31B also accepts a larger context window (262,144 input tokens), making it the stronger choice for long documents and large codebases.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Claude Opus 4
- you want predictable pricing at $15.00/M input and $75.00/M output
Choose Gemma 4 31B
- cost matters — it's about 155.8x cheaper per token
- you process long inputs — it offers a 262,144 token context window
- you want the most recent training data — it shipped Apr 2026
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
9 reported for Claude Opus 4 · 12 for Gemma 4 31B
Claude Opus 4 outperforms in 1 benchmarks (MMMLU), while Gemma 4 31B is better at 1 benchmark (GPQA).
Both models are evenly matched across the benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Claude Opus 4 ($15.00/1M tokens) is 115.4x more expensive than Gemma 4 31B ($0.13/1M tokens).
For output processing, Claude Opus 4 ($75.00/1M tokens) is 197.4x more expensive than Gemma 4 31B ($0.38/1M tokens).
In conclusion, Claude Opus 4 is more expensive than Gemma 4 31B.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Gemma 4 31B accepts 262,144 input tokens compared to Claude Opus 4's 200,000 tokens. Gemma 4 31B can generate longer responses up to 131,072 tokens, while Claude Opus 4 is limited to 32,000 tokens.
Input capabilities
Documented input modalities across available providers
Both Claude Opus 4 and Gemma 4 31B support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Claude Opus 4
Gemma 4 31B
License
Usage and distribution terms
Claude Opus 4 is licensed under a proprietary license, while Gemma 4 31B uses Apache 2.0.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Apache 2.0
Open weights
Release Timeline
When each model was launched
Claude Opus 4 was released on 2025-05-22, while Gemma 4 31B was released on 2026-04-02.
Gemma 4 31B is 11 months newer than Claude Opus 4.
May 22, 2025
1.3 years ago
Apr 2, 2026
5 months ago
10mo newerKnowledge Cutoff
When training data ends
Gemma 4 31B has a documented knowledge cutoff of 2025-01-01, while Claude Opus 4's cutoff date is not specified.
We can confirm Gemma 4 31B's training data extends to 2025-01-01, but cannot make a direct comparison without Claude Opus 4's cutoff date.
—
Jan 2025
Provider Availability
Claude Opus 4 is available from Anthropic, Bedrock, Google. Gemma 4 31B is available from DeepInfra, FriendliAI, Novita, Together.
Claude Opus 4
Gemma 4 31B
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude Opus 4 and Gemma 4 31B side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude Opus 4 vs Gemma 4 31B.