Model Comparison

Claude Opus 5 vs Gemma 3 4BWhich is better in 2026?

Comparing Claude Opus 5 and Gemma 3 4B across benchmarks, pricing, and capabilities.

Verdict: Claude Opus 5 vs Gemma 3 4B — which is better?

Claude Opus 5 (by Anthropic) and Gemma 3 4B (by Google) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

On price, Gemma 3 4B is roughly 400.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Claude Opus 5 also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.

Choose Claude Opus 5 if…

  • you process long inputs — it offers a 1,000,000 token context window
  • you want the most recent training data — it shipped Jul 2026

Choose Gemma 3 4B if…

  • cost matters — it's about 400.0x cheaper per token
  • you need open weights you can self-host or fine-tune

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Claude Opus 5 and Gemma 3 4Bdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Gemma 3 4B costs less

For input processing, Claude Opus 5 ($5.00/1M tokens) is 250.0x more expensive than Gemma 3 4B ($0.02/1M tokens).

For output processing, Claude Opus 5 ($25.00/1M tokens) is 625.0x more expensive than Gemma 3 4B ($0.04/1M tokens).

In conclusion, Claude Opus 5 is more expensive than Gemma 3 4B.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Sat Jul 25 2026 • llm-stats.com
Anthropic
Claude Opus 5
Input tokens$5.00
Output tokens$25.00
Best providerAnthropic
Google
Gemma 3 4B
Input tokens$0.02
Output tokens$0.04
Best providerDeepinfra
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Claude Opus 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 is limited to 128,000 tokens.

Anthropic
Claude Opus 5
Input1,000,000 tokens
Output128,000 tokens
Google
Gemma 3 4B
Input131,072 tokens
Output131,072 tokens
Sat Jul 25 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude Opus 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

Text
Images
Audio
Video

Gemma 3 4B

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Opus 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.

Claude Opus 5

Proprietary

Closed source

Gemma 3 4B

Gemma

Open weights

Release Timeline

When each model was launched

Claude Opus 5 was released on 2026-07-24, while Gemma 3 4B was released on 2025-03-12.

Claude Opus 5 is 17 months newer than Gemma 3 4B.

Claude Opus 5

Jul 24, 2026

0 days ago

1.4yr newer
Gemma 3 4B

Mar 12, 2025

1.4 years ago

Knowledge Cutoff

When training data ends

Gemma 3 4B has a documented knowledge cutoff of 2024-08-01, while Claude Opus 5's cutoff date is not specified.

We can confirm Gemma 3 4B's training data extends to 2024-08-01, but cannot make a direct comparison without Claude Opus 5's cutoff date.

Claude Opus 5

—

Gemma 3 4B

Aug 2024

Provider Availability

Claude Opus 5 is available from Anthropic. Gemma 3 4B is available from DeepInfra.

Claude Opus 5

anthropic logo
Anthropic
Input Price:Input: $5.00/1MOutput Price:Output: $25.00/1M

Gemma 3 4B

deepinfra logo
Deepinfra
Input Price:Input: $0.02/1MOutput Price:Output: $0.04/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Anthropic
Larger context window (1,000,000 tokens)
Google
Less expensive input tokens
Less expensive output tokens
Has open weights

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Claude Opus 5 and Gemma 3 4B side-by-side, then vote on the output you prefer.

Claude Opus 5
✓ Preferred
Gemma 3 4B
Open in Playground
AI Model Comparison Table
Feature
Anthropic
Claude Opus 5
Google
Gemma 3 4B

FAQ

Common questions about Claude Opus 5 vs Gemma 3 4B.

Which is better, Claude Opus 5 or Gemma 3 4B?

Claude Opus 5 (Anthropic) and Gemma 3 4B (Google) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Claude Opus 5 compare to Gemma 3 4B in benchmarks?

Claude Opus 5 scores BrowseComp: 90.8%, BioMysteryBench: 90.1%, OSWorld 2.0: 70.6%, DeepSWE 1.1: 68.8%, Humanity's Last Exam: 64.7%. Gemma 3 4B scores IFEval: 90.2%, GSM8k: 89.2%, DocVQA: 75.8%, MATH: 75.6%, AI2D: 74.8%.

Is Claude Opus 5 cheaper than Gemma 3 4B?

Gemma 3 4B is 250.0x cheaper for input tokens. Claude Opus 5 costs $5.00/M input and $25.00/M output via anthropic. Gemma 3 4B costs $0.02/M input and $0.04/M output via deepinfra.

What are the context window sizes for Claude Opus 5 and Gemma 3 4B?

Claude Opus 5 supports 1.0M tokens and Gemma 3 4B supports 131K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude Opus 5 and Gemma 3 4B?

Key differences include context window (1.0M vs 131K), input pricing ($5.00 vs $0.02/M), licensing (Proprietary vs Gemma). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Opus 5 and Gemma 3 4B?

Claude Opus 5 is developed by Anthropic and Gemma 3 4B is developed by Google.

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