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GPT 6 Luna Pro vs Kimi K2.6

At a glance

OpenAI's GPT-6 Luna served in pro reasoning mode for the hardest problems.

1.1M ctx$0.10/$0.50 per M

MoonshotAI's next-generation multimodal model built for long-horizon coding and multi-agent orchestration.

83262K ctx$0.43/$1.83 per M#17/92
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Cheaper74%
Capability
Capability—
Reasoning & Knowledge
Graduate Science—Factual Recall—
Math
Competition Math—Research Math—
Coding
Real-World Coding—
Reasoning
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-10-02
Capability
CapabilityECI82.9
Reasoning & Knowledge
Graduate Science90.8%Factual Recall34.9%
Math
Competition Math96.1%Research Math39.0%
Coding
Real-World Coding76.7%
Specs
1.1M
Context
128K
Max output
Sep 2026
Released
262K
Context
236K
Max output
Apr 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input77%$0.10/M tokens
Output73%$0.50/M tokens
Cache read86%$0.01/M tokens
Cache write$0.13/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input$0.43/M tokens
Output$1.83/M tokens
Cache read$0.07/M tokens
Chat with GPT 6 Luna ProGo to model
Chat with Kimi K2.6Go to model
Frequently Asked Questions: GPT 6 Luna Pro vs Kimi K2.6▼

Which is better, GPT 6 Luna Pro or Kimi K2.6?

▼

Both GPT 6 Luna Pro and Kimi K2.6 are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which is cheaper, GPT 6 Luna Pro or Kimi K2.6?

▼

GPT 6 Luna Pro has a lower blended cost. GPT 6 Luna Pro: $0.10 input / $0.50 output. Kimi K2.6: $0.43 input / $1.83 output.

Which has a larger context window, GPT 6 Luna Pro or Kimi K2.6?

▼

GPT 6 Luna Pro has a larger context window: GPT 6 Luna Pro supports 1.1M tokens vs Kimi K2.6 at 262K tokens.

Do both GPT 6 Luna Pro and Kimi K2.6 support vision?

▼

Yes, both GPT 6 Luna Pro and Kimi K2.6 support vision/image input.

What are the key differences between GPT 6 Luna Pro and Kimi K2.6?

▼

Key differences: GPT 6 Luna Pro is significantly cheaper. Compare full specs on this page.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both GPT 6 Luna Pro and Kimi K2.6 for free on idapt.app to see which performs better for your specific needs.

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