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Claude Opus 4.5 vs GPT-6 Cyber

GPT-6 Cyber leads the LLM Stats Score 41.0 to 37.6. Claude Opus 4.5 is 4.0x cheaper per token.

Anthropic · OpenAI · Updated for 2026

Which is better?

GPT-6 Cyber leads the overall LLM Stats Score 41.0 to 37.6, ranking #77 overall.

On price, Claude Opus 4.5 is roughly 4.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

GPT-6 Cyber also accepts a larger context window (1,050,000 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 4.5

  • cost matters — it's about 4.0x cheaper per token

Choose GPT-6 Cyber

  • overall performance matters — it scores 41.0 and ranks #77 on LLM Stats
  • your work emphasizes agents — it leads those capability indexes
  • you process long inputs — it offers a 1,050,000 token context window
  • you want the most recent training data — it shipped Nov 2026

At a glance

The differences that matter most.

Claude Opus 4.5
Anthropic
GPT-6 Cyber
OpenAI
Core performance indexes
LLM Stats Score
37.6
#93
41.0
#77
Coding
27.5
#83
33.5
#49
Agents
17.1
#104
31.3
#46
Cost, coverage & limits
Benchmark wins
—
—
Input price
$5.00 / M
$20.00 / M
Output price
$25.00 / M
$100.00 / M
Context window
200,000
1,050,000

Individual benchmarks

11 reported for Claude Opus 4.5 · 1 for GPT-6 Cyber

No common benchmarks found

Claude Opus 4.5 and GPT-6 Cyberdon'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

Claude Opus 4.5 costs less

For input processing, Claude Opus 4.5 ($5.00/1M tokens) is 4.0x cheaper than GPT-6 Cyber ($20.00/1M tokens).

For output processing, Claude Opus 4.5 ($25.00/1M tokens) is 4.0x cheaper than GPT-6 Cyber ($100.00/1M tokens).

In conclusion, GPT-6 Cyber is more expensive than Claude Opus 4.5.*

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

Lowest available price from all providers
Sun Nov 08 2026 • llm-stats.com
Anthropic
Claude Opus 4.5
Input tokens$5.00
Output tokens$25.00
Best providerAnthropic
OpenAI
GPT-6 Cyber
Input tokens$20.00
Output tokens$100.00
Best providerOpenAI
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

GPT-6 Cyber accepts 1,050,000 input tokens compared to Claude Opus 4.5's 200,000 tokens. GPT-6 Cyber can generate longer responses up to 128,000 tokens, while Claude Opus 4.5 is limited to 64,000 tokens.

Anthropic
Claude Opus 4.5
Input200,000 tokens
Output64,000 tokens
OpenAI
GPT-6 Cyber
Input1,050,000 tokens
Output128,000 tokens
Sun Nov 08 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Opus 4.5 and GPT-6 Cyber support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Claude Opus 4.5

Text
Images
Audio
Video

GPT-6 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 4.5

Proprietary

Closed source

GPT-6 Cyber

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Opus 4.5 was released on 2025-11-24, while GPT-6 Cyber was released on 2026-11-05.

GPT-6 Cyber is 12 months newer than Claude Opus 4.5.

Claude Opus 4.5

Nov 24, 2025

11 months ago

GPT-6 Cyber

Nov 5, 2026

3 days ago

11mo newer

Knowledge Cutoff

When training data ends

Claude Opus 4.5 has a documented knowledge cutoff of 2025-03-31, while GPT-6 Cyber's cutoff date is not specified.

We can confirm Claude Opus 4.5's training data extends to 2025-03-31, but cannot make a direct comparison without GPT-6 Cyber's cutoff date.

Claude Opus 4.5

Mar 2025

GPT-6 Cyber

—

Provider Availability

Claude Opus 4.5 is available from Anthropic. GPT-6 Cyber is available from OpenAI.

Claude Opus 4.5

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

GPT-6 Cyber

openai logo
OpenAI
Input Price:Input: $20.00/1MOutput Price:Output: $100.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Claude Opus 4.5 and GPT-6 Cyber side-by-side, then vote on the output you prefer.

Claude Opus 4.5
✓ Preferred
GPT-6 Cyber
Open in Playground

FAQ

Common questions about Claude Opus 4.5 vs GPT-6 Cyber.

Which is better, Claude Opus 4.5 or GPT-6 Cyber?

GPT-6 Cyber leads the LLM Stats Score 41.0 to 37.6. Claude Opus 4.5 is made by Anthropic and GPT-6 Cyber is made by OpenAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Claude Opus 4.5 compare to GPT-6 Cyber in benchmarks?

Claude Opus 4.5 scores Tau2 Telecom: 98.2%, MMMLU: 90.8%, Tau2 Retail: 88.9%, GPQA: 87.0%, SWE-Bench Verified: 80.9%. GPT-6 Cyber scores ExploitGym: 48.5%.

Is Claude Opus 4.5 cheaper than GPT-6 Cyber?

Claude Opus 4.5 is 4.0x cheaper for input tokens. Claude Opus 4.5 costs $5.00/M input and $25.00/M output via anthropic. GPT-6 Cyber costs $20.00/M input and $100.00/M output via openai.

What are the context window sizes for Claude Opus 4.5 and GPT-6 Cyber?

Claude Opus 4.5 supports 200K tokens and GPT-6 Cyber supports 1.1M 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 4.5 and GPT-6 Cyber?

Key differences include LLM Stats Score (37.6 vs 41.0), context window (200K vs 1.1M), input pricing ($5.00 vs $20.00/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Opus 4.5 and GPT-6 Cyber?

Claude Opus 4.5 is developed by Anthropic and GPT-6 Cyber is developed by OpenAI.

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