GPT-6 Rosalind vs Kimi K3
Comparing GPT-6 Rosalind and Kimi K3 across benchmarks, pricing, and capabilities.
OpenAI · Moonshot AI · Updated for 2026
Which is better?
GPT-6 Rosalind and Kimi K3 trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.
On price, Kimi K3 is roughly 5.3x 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 Kimi K3
- cost matters — it's about 5.3x cheaper per token
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Individual benchmarks
0 reported for GPT-6 Rosalind · 31 for Kimi K3
GPT-6 Rosalind and Kimi K3don'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 5.3x more expensive than Kimi K3 ($2.85/1M tokens).
For output processing, GPT-6 Rosalind ($75.00/1M tokens) is 5.3x more expensive than Kimi K3 ($14.25/1M tokens).
In conclusion, GPT-6 Rosalind is more expensive than Kimi K3.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Only Kimi K3 specifies input context (1,048,576 tokens). Only Kimi K3 specifies output context (1,048,576 tokens).
Input capabilities
Documented input modalities across available providers
Both GPT-6 Rosalind and Kimi K3 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
GPT-6 Rosalind
Kimi K3
License
Usage and distribution terms
GPT-6 Rosalind is licensed under a proprietary license, while Kimi K3 uses Kimi K3 License.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Kimi K3 License
Open weights
Release Timeline
When each model was launched
GPT-6 Rosalind was released on 2026-10-30, while Kimi K3 was released on 2026-07-16.
GPT-6 Rosalind is 4 months newer than Kimi K3.
Oct 30, 2026
2 days ago
3mo newerJul 16, 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. Kimi K3 is available from DeepInfra, Fireworks, Moonshot AI, Novita, Together.
GPT-6 Rosalind
Kimi K3
Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-6 Rosalind and Kimi K3 side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-6 Rosalind vs Kimi K3.