Model Comparison

Claude Opus 5 vs Gemini 3.5 Flash CyberWhich is better in 2026?

Comparing Claude Opus 5 and Gemini 3.5 Flash Cyber across benchmarks, pricing, and capabilities.

Verdict: Claude Opus 5 vs Gemini 3.5 Flash Cyber — which is better?

Claude Opus 5 (by Anthropic) and Gemini 3.5 Flash Cyber (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.

Choose Claude Opus 5 if…

  • you want the most recent training data — it shipped Jul 2026

Choose Gemini 3.5 Flash Cyber if…

  • you are already invested in the Google ecosystem

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Claude Opus 5 and Gemini 3.5 Flash Cyberdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Claude Opus 5 specifies input context (1,000,000 tokens). Only Claude Opus 5 specifies output context (128,000 tokens).

Anthropic
Claude Opus 5
Input1,000,000 tokens
Output128,000 tokens
Google
Gemini 3.5 Flash Cyber
Input- tokens
Output- tokens
Fri Jul 24 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude Opus 5 supports multimodal inputs, whereas Gemini 3.5 Flash Cyber does not.

Claude Opus 5 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Opus 5

Text
Images
Audio
Video

Gemini 3.5 Flash Cyber

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Claude Opus 5

Proprietary

Closed source

Gemini 3.5 Flash Cyber

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Opus 5 was released on 2026-07-24, while Gemini 3.5 Flash Cyber was released on 2026-07-21.

Claude Opus 5 is 0 month newer than Gemini 3.5 Flash Cyber.

Claude Opus 5

Jul 24, 2026

0 days ago

3d newer
Gemini 3.5 Flash Cyber

Jul 21, 2026

3 days ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Anthropic
Larger context window (1,000,000 tokens)
Supports multimodal inputs
Google

No standout differentiators in the data we have for this pair.

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Claude Opus 5 and Gemini 3.5 Flash Cyber side-by-side, then vote on the output you prefer.

Claude Opus 5
✓ Preferred
Gemini 3.5 Flash Cyber
Open in Playground
AI Model Comparison Table
Feature
Anthropic
Claude Opus 5
Google
Gemini 3.5 Flash Cyber

FAQ

Common questions about Claude Opus 5 vs Gemini 3.5 Flash Cyber.

Which is better, Claude Opus 5 or Gemini 3.5 Flash Cyber?

Claude Opus 5 (Anthropic) and Gemini 3.5 Flash Cyber (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 Gemini 3.5 Flash Cyber 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%. Gemini 3.5 Flash Cyber scores CyberGym: 83.2%.

What are the context window sizes for Claude Opus 5 and Gemini 3.5 Flash Cyber?

Claude Opus 5 supports 1.0M tokens and Gemini 3.5 Flash Cyber supports an unknown number of 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 Gemini 3.5 Flash Cyber?

Key differences include multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Opus 5 and Gemini 3.5 Flash Cyber?

Claude Opus 5 is developed by Anthropic and Gemini 3.5 Flash Cyber is developed by Google.

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