GPT-6 Rosalind vs Solar Pro 4
Comparing GPT-6 Rosalind and Solar Pro 4 across benchmarks, pricing, and capabilities.
OpenAI · Upstage · Updated for 2026
Which is better?
GPT-6 Rosalind and Solar Pro 4 trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.
On price, Solar Pro 4 is roughly 57.1x 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 Solar Pro 4
- cost matters — it's about 57.1x cheaper per token
At a glance
The differences that matter most.
Individual benchmarks
0 reported for GPT-6 Rosalind · 9 for Solar Pro 4
GPT-6 Rosalind and Solar Pro 4don'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 50.0x more expensive than Solar Pro 4 ($0.30/1M tokens).
For output processing, GPT-6 Rosalind ($75.00/1M tokens) is 62.5x more expensive than Solar Pro 4 ($1.20/1M tokens).
In conclusion, GPT-6 Rosalind is more expensive than Solar Pro 4.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Only Solar Pro 4 specifies input context (524,288 tokens). Only Solar Pro 4 specifies output context (131,072 tokens).
Input capabilities
Documented input modalities across available providers
GPT-6 Rosalind supports multimodal inputs, whereas Solar Pro 4 does not.
GPT-6 Rosalind can handle both text and other forms of data like images, making it suitable for multimodal applications.
GPT-6 Rosalind
Solar Pro 4
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 Solar Pro 4 was released on 2026-08-06.
GPT-6 Rosalind is 3 months newer than Solar Pro 4.
Oct 30, 2026
6 days ago
2mo newerAug 6, 2026
3 months ago
Knowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
GPT-6 Rosalind is available from OpenAI. Solar Pro 4 is available from Upstage.
GPT-6 Rosalind
Solar Pro 4
Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-6 Rosalind and Solar Pro 4 side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-6 Rosalind vs Solar Pro 4.