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Claude Sonnet 4.6 vs GPT-6 Rosalind

Comparing Claude Sonnet 4.6 and GPT-6 Rosalind across benchmarks, pricing, and capabilities.

Anthropic · OpenAI · Updated for 2026

Which is better?

Claude Sonnet 4.6 and GPT-6 Rosalind trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

On price, Claude Sonnet 4.6 is roughly 5.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Claude Sonnet 4.6

  • cost matters — it's about 5.0x cheaper per token

Choose GPT-6 Rosalind

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

At a glance

The differences that matter most.

Claude Sonnet 4.6
Anthropic
GPT-6 Rosalind
OpenAI
Benchmark wins
—
—
Input price
$3.00 / M
$15.00 / M
Output price
$15.00 / M
$75.00 / M
Context window
200,000
—

Individual benchmarks

17 reported for Claude Sonnet 4.6 · 0 for GPT-6 Rosalind

No common benchmarks found

Claude Sonnet 4.6 and GPT-6 Rosalinddon'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 Sonnet 4.6 costs less

For input processing, Claude Sonnet 4.6 ($3.00/1M tokens) is 5.0x cheaper than GPT-6 Rosalind ($15.00/1M tokens).

For output processing, Claude Sonnet 4.6 ($15.00/1M tokens) is 5.0x cheaper than GPT-6 Rosalind ($75.00/1M tokens).

In conclusion, GPT-6 Rosalind is more expensive than Claude Sonnet 4.6.*

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

Lowest available price from all providers
Tue Nov 03 2026 • llm-stats.com
Anthropic
Claude Sonnet 4.6
Input tokens$3.00
Output tokens$15.00
Best providerAnthropic
OpenAI
GPT-6 Rosalind
Input tokens$15.00
Output tokens$75.00
Best providerOpenAI
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Only Claude Sonnet 4.6 specifies input context (200,000 tokens). Only Claude Sonnet 4.6 specifies output context (64,000 tokens).

Anthropic
Claude Sonnet 4.6
Input200,000 tokens
Output64,000 tokens
OpenAI
GPT-6 Rosalind
Input- tokens
Output- tokens
Tue Nov 03 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Sonnet 4.6 and GPT-6 Rosalind support multimodal inputs.

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

Claude Sonnet 4.6

Text
Images
Audio
Video

GPT-6 Rosalind

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 Sonnet 4.6

Proprietary

Closed source

GPT-6 Rosalind

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Sonnet 4.6 was released on 2026-02-17, while GPT-6 Rosalind was released on 2026-10-30.

GPT-6 Rosalind is 9 months newer than Claude Sonnet 4.6.

Claude Sonnet 4.6

Feb 17, 2026

8 months ago

GPT-6 Rosalind

Oct 30, 2026

1 days ago

8mo newer

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

Provider Availability

Claude Sonnet 4.6 is available from Anthropic, DeepInfra. GPT-6 Rosalind is available from OpenAI.

Claude Sonnet 4.6

anthropic logo
Anthropic
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
deepinfra logo
Deepinfra
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M

GPT-6 Rosalind

openai logo
OpenAI
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Claude Sonnet 4.6 and GPT-6 Rosalind side-by-side, then vote on the output you prefer.

Claude Sonnet 4.6
✓ Preferred
GPT-6 Rosalind
Open in Playground

FAQ

Common questions about Claude Sonnet 4.6 vs GPT-6 Rosalind.

Which is better, Claude Sonnet 4.6 or GPT-6 Rosalind?

Claude Sonnet 4.6 (Anthropic) and GPT-6 Rosalind (OpenAI) 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 Sonnet 4.6 compare to GPT-6 Rosalind in benchmarks?

Claude Sonnet 4.6 scores Tau2 Telecom: 97.9%, Tau2 Retail: 91.7%, GPQA: 89.9%, MMMLU: 89.3%, SWE-Bench Verified: 79.6%.

Is Claude Sonnet 4.6 cheaper than GPT-6 Rosalind?

Claude Sonnet 4.6 is 5.0x cheaper for input tokens. Claude Sonnet 4.6 costs $3.00/M input and $15.00/M output via anthropic. GPT-6 Rosalind costs $15.00/M input and $75.00/M output via openai.

What are the context window sizes for Claude Sonnet 4.6 and GPT-6 Rosalind?

Claude Sonnet 4.6 supports 200K tokens and GPT-6 Rosalind 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 Sonnet 4.6 and GPT-6 Rosalind?

Key differences include input pricing ($3.00 vs $15.00/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Sonnet 4.6 and GPT-6 Rosalind?

Claude Sonnet 4.6 is developed by Anthropic and GPT-6 Rosalind is developed by OpenAI.

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