Claude Opus 5.5 vs Gemma 3 4B
Claude Opus 5.5 leads the LLM Stats Score 59.8 to -1.9. Gemma 3 4B is 320.0x cheaper per token.
Anthropic · Google · Updated for 2026
Which is better?
Claude Opus 5.5 leads the overall LLM Stats Score 59.8 to -1.9, ranking #1 overall.
On price, Gemma 3 4B is roughly 320.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Claude Opus 5.5 also accepts a larger context window (1,000,000 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 5.5
- overall performance matters — it scores 59.8 and ranks #1 on LLM Stats
- your work emphasizes reasoning and coding — it leads those capability indexes
- you process long inputs — it offers a 1,000,000 token context window
- you want the most recent training data — it shipped Sep 2026
Choose Gemma 3 4B
- cost matters — it's about 320.0x cheaper per token
- 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
31 reported for Claude Opus 5.5 · 26 for Gemma 3 4B
Claude Opus 5.5 and Gemma 3 4Bdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Claude Opus 5.5 ($4.00/1M tokens) is 200.0x more expensive than Gemma 3 4B ($0.02/1M tokens).
For output processing, Claude Opus 5.5 ($20.00/1M tokens) is 500.0x more expensive than Gemma 3 4B ($0.04/1M tokens).
In conclusion, Claude Opus 5.5 is more expensive than Gemma 3 4B.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Claude Opus 5.5 accepts 1,000,000 input tokens compared to Gemma 3 4B's 131,072 tokens. Gemma 3 4B can generate longer responses up to 131,072 tokens, while Claude Opus 5.5 is limited to 128,000 tokens.
Input capabilities
Documented input modalities across available providers
Both Claude Opus 5.5 and Gemma 3 4B support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Claude Opus 5.5
Gemma 3 4B
License
Usage and distribution terms
Claude Opus 5.5 is licensed under a proprietary license, while Gemma 3 4B uses Gemma.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Gemma
Open weights
Release Timeline
When each model was launched
Claude Opus 5.5 was released on 2026-09-22, while Gemma 3 4B was released on 2025-03-12.
Claude Opus 5.5 is 19 months newer than Gemma 3 4B.
Sep 22, 2026
0 days ago
1.5yr newerMar 12, 2025
1.5 years ago
Knowledge Cutoff
When training data ends
Claude Opus 5.5 has a knowledge cutoff of 2026-06-01, while Gemma 3 4B has a cutoff of 2024-08-01.
Claude Opus 5.5 has more recent training data (up to 2026-06-01), making it potentially better informed about events through that date compared to Gemma 3 4B (2024-08-01).
Jun 2026
1.8 yr newerAug 2024
Provider Availability
Claude Opus 5.5 is available from Anthropic. Gemma 3 4B is available from DeepInfra.
Claude Opus 5.5
Gemma 3 4B
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude Opus 5.5 and Gemma 3 4B side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude Opus 5.5 vs Gemma 3 4B.