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GPT-4o vs GPT-6 Rosalind

Comparing GPT-4o and GPT-6 Rosalind across benchmarks, pricing, and capabilities.

OpenAI · OpenAI · Updated for 2026

Which is better?

GPT-4o and GPT-6 Rosalind trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

On price, GPT-4o is roughly 6.9x 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 GPT-4o

  • cost matters — it's about 6.9x 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.

Benchmark wins
—
—
Input price
$2.50 / M
$15.00 / M
Output price
$10.00 / M
$75.00 / M
Context window
128,000
—

Individual benchmarks

38 reported for GPT-4o · 0 for GPT-6 Rosalind

No common benchmarks found

GPT-4o 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

GPT-4o costs less

For input processing, GPT-4o ($2.50/1M tokens) is 6.0x cheaper than GPT-6 Rosalind ($15.00/1M tokens).

For output processing, GPT-4o ($10.00/1M tokens) is 7.5x cheaper than GPT-6 Rosalind ($75.00/1M tokens).

In conclusion, GPT-6 Rosalind is more expensive than GPT-4o.*

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

Lowest available price from all providers
Mon Nov 02 2026 • llm-stats.com
OpenAI
GPT-4o
Input tokens$2.50
Output tokens$10.00
Best providerAzure
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 GPT-4o specifies input context (128,000 tokens). Only GPT-4o specifies output context (16,384 tokens).

OpenAI
GPT-4o
Input128,000 tokens
Output16,384 tokens
OpenAI
GPT-6 Rosalind
Input- tokens
Output- tokens
Mon Nov 02 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both GPT-4o and GPT-6 Rosalind support multimodal inputs.

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

GPT-4o

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.

GPT-4o

Proprietary

Closed source

GPT-6 Rosalind

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-4o was released on 2024-08-06, while GPT-6 Rosalind was released on 2026-10-30.

GPT-6 Rosalind is 27 months newer than GPT-4o.

GPT-4o

Aug 6, 2024

2.2 years ago

GPT-6 Rosalind

Oct 30, 2026

2 days ago

2.2yr 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

GPT-4o is available from Azure, OpenAI. GPT-6 Rosalind is available from OpenAI.

GPT-4o

azure logo
Azure
Input Price:Input: $2.50/1MOutput Price:Output: $10.00/1M
openai logo
OpenAI
Input Price:Input: $2.50/1MOutput Price:Output: $10.00/1M

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 GPT-4o and GPT-6 Rosalind side-by-side, then vote on the output you prefer.

GPT-4o
✓ Preferred
GPT-6 Rosalind
Open in Playground

FAQ

Common questions about GPT-4o vs GPT-6 Rosalind.

Which is better, GPT-4o or GPT-6 Rosalind?

GPT-4o (OpenAI) 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 GPT-4o compare to GPT-6 Rosalind in benchmarks?

GPT-4o scores AI2D: 94.2%, DocVQA: 92.8%, ChartQA: 85.7%, MMLU: 85.7%, CharXiv-D: 85.3%.

Is GPT-4o cheaper than GPT-6 Rosalind?

GPT-4o is 6.0x cheaper for input tokens. GPT-4o costs $2.50/M input and $10.00/M output via azure. GPT-6 Rosalind costs $15.00/M input and $75.00/M output via openai.

What are the context window sizes for GPT-4o and GPT-6 Rosalind?

GPT-4o supports 128K 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 GPT-4o and GPT-6 Rosalind?

Key differences include input pricing ($2.50 vs $15.00/M). See the full comparison above for benchmark-by-benchmark results.