Comparison · AI Models & LLMs
Kimi K3 vs GPT-6 Luna
The same method as our rankings: scores from the engine, sourced data, verified prices.
Details: GPT-6 Luna →Details: Kimi K3 →
GPT-6 Luna
OpenAI
Full sheet →- Context window
- 1.05M tokens
- Maximum output
- 128k tokens
- Input cost per 1M tokens
- $0.10
- Output cost per 1M tokens
- $0.50
Kimi K3
Moonshot AI
Full sheet →- Context window
- 1,048,576 tokens
- Open weights (downloadable)
- Yes
The numbers side by side
Each bar is the product's verified figure; on every row the longer bar is the higher of the two values.
- Context windowhigher is better
Who wins where
- For long documentsGPT-6 LunaContext window
GPT-6 Luna: calls tools and functions · Kimi K3: open weights (downloadable)
Data sheet side by side
Memory and answer length
Context window✓1.05M tokens1,048,576 tokens
Maximum output128k tokensNot stated
API prices
Input cost per 1M tokens$0.10Not stated
Cached input cost per 1M tokens$0.01Not stated
Output cost per 1M tokens$0.50Not stated
Knowledge and abilities
Knowledge cutoffMay 2026Not stated
Reads imagesYesYes
Calls tools and functionsYesNot stated
Size and openness
ParametersNot stated2.8 trillion
Active parameters per tokenNot stated104 billion
Open weights (downloadable)Not statedYes