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GPT-6 Rosalind vs Kimi K2.6

Comparing GPT-6 Rosalind and Kimi K2.6 across benchmarks, pricing, and capabilities.

OpenAI · Moonshot AI · Updated for 2026

Which is better?

GPT-6 Rosalind and Kimi K2.6 trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

On price, Kimi K2.6 is roughly 20.9x 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-6 Rosalind

  • you want the most recent training data — it shipped Oct 2026

Choose Kimi K2.6

  • cost matters — it's about 20.9x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Benchmark wins
—
—
Input price
$15.00 / M
$0.75 / M
Output price
$75.00 / M
$3.50 / M
Context window
—
262,144

Individual benchmarks

0 reported for GPT-6 Rosalind · 28 for Kimi K2.6

No common benchmarks found

GPT-6 Rosalind and Kimi K2.6don'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

Kimi K2.6 costs less

For input processing, GPT-6 Rosalind ($15.00/1M tokens) is 20.0x more expensive than Kimi K2.6 ($0.75/1M tokens).

For output processing, GPT-6 Rosalind ($75.00/1M tokens) is 21.4x more expensive than Kimi K2.6 ($3.50/1M tokens).

In conclusion, GPT-6 Rosalind is more expensive than Kimi K2.6.*

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

Lowest available price from all providers
Thu Nov 05 2026 • llm-stats.com
OpenAI
GPT-6 Rosalind
Input tokens$15.00
Output tokens$75.00
Best providerOpenAI
Moonshot AI
Kimi K2.6
Input tokens$0.75
Output tokens$3.50
Best providerDeepinfra
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Only Kimi K2.6 specifies input context (262,144 tokens). Only Kimi K2.6 specifies output context (131,072 tokens).

OpenAI
GPT-6 Rosalind
Input- tokens
Output- tokens
Moonshot AI
Kimi K2.6
Input262,144 tokens
Output131,072 tokens
Thu Nov 05 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both GPT-6 Rosalind and Kimi K2.6 support multimodal inputs.

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

GPT-6 Rosalind

Text
Images
Audio
Video

Kimi K2.6

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-6 Rosalind is licensed under a proprietary license, while Kimi K2.6 uses Modified MIT License.

License differences may affect how you can use these models in commercial or open-source projects.

GPT-6 Rosalind

Proprietary

Closed source

Kimi K2.6

Modified MIT License

Open weights

Release Timeline

When each model was launched

GPT-6 Rosalind was released on 2026-10-30, while Kimi K2.6 was released on 2026-04-20.

GPT-6 Rosalind is 6 months newer than Kimi K2.6.

GPT-6 Rosalind

Oct 30, 2026

6 days ago

6mo newer
Kimi K2.6

Apr 20, 2026

6 months ago

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-6 Rosalind is available from OpenAI. Kimi K2.6 is available from DeepInfra, Fireworks, Moonshot AI, Novita, Together.

GPT-6 Rosalind

openai logo
OpenAI
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M

Kimi K2.6

deepinfra logo
Deepinfra
Input Price:Input: $0.75/1MOutput Price:Output: $3.50/1M
fireworks logo
Fireworks
Input Price:Input: $0.95/1MOutput Price:Output: $4.00/1M
moonshot logo
Unknown Organization
Input Price:Input: $0.95/1MOutput Price:Output: $4.00/1M
novita logo
Novita
Input Price:Input: $0.95/1MOutput Price:Output: $4.00/1M
together logo
Together
Input Price:Input: $1.20/1MOutput Price:Output: $4.50/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against GPT-6 Rosalind and Kimi K2.6 side-by-side, then vote on the output you prefer.

GPT-6 Rosalind
✓ Preferred
Kimi K2.6
Open in Playground

FAQ

Common questions about GPT-6 Rosalind vs Kimi K2.6.

Which is better, GPT-6 Rosalind or Kimi K2.6?

GPT-6 Rosalind (OpenAI) and Kimi K2.6 (Moonshot AI) 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-6 Rosalind compare to Kimi K2.6 in benchmarks?

Kimi K2.6 scores V*: 96.9%, AIME 2026: 96.4%, MathVision: 93.2%, HMMT Feb 26: 92.7%, GPQA: 90.5%.

Is GPT-6 Rosalind cheaper than Kimi K2.6?

Kimi K2.6 is 20.0x cheaper for input tokens. GPT-6 Rosalind costs $15.00/M input and $75.00/M output via openai. Kimi K2.6 costs $0.75/M input and $3.50/M output via deepinfra.

What are the context window sizes for GPT-6 Rosalind and Kimi K2.6?

GPT-6 Rosalind supports an unknown number of tokens and Kimi K2.6 supports 262K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT-6 Rosalind and Kimi K2.6?

Key differences include input pricing ($15.00 vs $0.75/M), licensing (Proprietary vs Modified MIT License). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-6 Rosalind and Kimi K2.6?

GPT-6 Rosalind is developed by OpenAI and Kimi K2.6 is developed by Moonshot AI.