GPT-6 Rosalind vs GPT-6.1 Sol
Comparing GPT-6 Rosalind and GPT-6.1 Sol across benchmarks, pricing, and capabilities.
OpenAI · OpenAI · Updated for 2026
Which is better?
GPT-6 Rosalind and GPT-6.1 Sol trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.
On price, GPT-6.1 Sol is roughly 7.5x 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-6 Rosalind
- you want the most recent training data — it shipped Oct 2026
Choose GPT-6.1 Sol
- cost matters — it's about 7.5x cheaper per token
At a glance
The differences that matter most.
Individual benchmarks
0 reported for GPT-6 Rosalind · 18 for GPT-6.1 Sol
GPT-6 Rosalind and GPT-6.1 Soldon'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-6 Rosalind ($15.00/1M tokens) is 7.5x more expensive than GPT-6.1 Sol ($2.00/1M tokens).
For output processing, GPT-6 Rosalind ($75.00/1M tokens) is 7.5x more expensive than GPT-6.1 Sol ($10.00/1M tokens).
In conclusion, GPT-6 Rosalind is more expensive than GPT-6.1 Sol.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Only GPT-6.1 Sol specifies input context (1,050,000 tokens). Only GPT-6.1 Sol specifies output context (128,000 tokens).
Input capabilities
Documented input modalities across available providers
Both GPT-6 Rosalind and GPT-6.1 Sol support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
GPT-6 Rosalind
GPT-6.1 Sol
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-6 Rosalind was released on 2026-10-30, while GPT-6.1 Sol was released on 2026-09-29.
GPT-6 Rosalind is 1 month newer than GPT-6.1 Sol.
Oct 30, 2026
6 days ago
1mo newerSep 29, 2026
1 months ago
Knowledge Cutoff
When training data ends
GPT-6.1 Sol has a documented knowledge cutoff of 2026-04-30, while GPT-6 Rosalind's cutoff date is not specified.
We can confirm GPT-6.1 Sol's training data extends to 2026-04-30, but cannot make a direct comparison without GPT-6 Rosalind's cutoff date.
—
Apr 2026
Provider Availability
GPT-6 Rosalind is available from OpenAI. GPT-6.1 Sol is available from OpenAI.
GPT-6 Rosalind
GPT-6.1 Sol
Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-6 Rosalind and GPT-6.1 Sol side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-6 Rosalind vs GPT-6.1 Sol.