GPT-4 Turbo vs GPT-6 Rosalind
Comparing GPT-4 Turbo and GPT-6 Rosalind across benchmarks, pricing, and capabilities.
OpenAI · OpenAI · Updated for 2026
Which is better?
GPT-4 Turbo and GPT-6 Rosalind trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.
On price, GPT-4 Turbo is roughly 2.0x 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 GPT-4 Turbo
- cost matters — it's about 2.0x 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.
Individual benchmarks
6 reported for GPT-4 Turbo · 0 for GPT-6 Rosalind
GPT-4 Turbo 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
For input processing, GPT-4 Turbo ($10.00/1M tokens) is 1.5x cheaper than GPT-6 Rosalind ($15.00/1M tokens).
For output processing, GPT-4 Turbo ($30.00/1M tokens) is 2.5x cheaper than GPT-6 Rosalind ($75.00/1M tokens).
In conclusion, GPT-6 Rosalind is more expensive than GPT-4 Turbo.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Only GPT-4 Turbo specifies input context (128,000 tokens). Only GPT-4 Turbo specifies output context (4,096 tokens).
Input capabilities
Documented input modalities across available providers
GPT-6 Rosalind supports multimodal inputs, whereas GPT-4 Turbo does not.
GPT-6 Rosalind can handle both text and other forms of data like images, making it suitable for multimodal applications.
GPT-4 Turbo
GPT-6 Rosalind
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
GPT-4 Turbo was released on 2024-04-09, while GPT-6 Rosalind was released on 2026-10-30.
GPT-6 Rosalind is 31 months newer than GPT-4 Turbo.
Apr 9, 2024
2.6 years ago
Oct 30, 2026
2 days ago
2.6yr newerKnowledge Cutoff
When training data ends
GPT-4 Turbo has a documented knowledge cutoff of 2023-12-31, while GPT-6 Rosalind's cutoff date is not specified.
We can confirm GPT-4 Turbo's training data extends to 2023-12-31, but cannot make a direct comparison without GPT-6 Rosalind's cutoff date.
Dec 2023
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Provider Availability
GPT-4 Turbo is available from Azure, OpenAI. GPT-6 Rosalind is available from OpenAI.
GPT-4 Turbo
GPT-6 Rosalind
Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-4 Turbo and GPT-6 Rosalind side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-4 Turbo vs GPT-6 Rosalind.