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GPT 5.6 Luna vs Aion 1.0

At a glance

OpenAI's fastest, most affordable GPT-5.6 tier for high-volume, latency-sensitive work.

1.1M ctx$1.00/$6.00 per M

AionLabs' flagship reasoning model for complex tasks.

131K ctx$4.00/$8.00 per M
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
MathInsufficient data
Sources:Provider·OpenRouter· as of 2026-07-11
Cheaper55%
Reasoning & Knowledge
Graduate Science92.3%
Agentic
Terminal Tasks84.7%
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Reasoning & Knowledge
Graduate Science—
Agentic
Terminal Tasks—
Specs
1.1M
Context
128K
Max output
Jul 2026
Released
131K
Context
33K
Max output
Feb 2025
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input75%$1.00/M tokens
Output25%$6.00/M tokens
Cache read$0.10/M tokens
Cache write$1.25/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input$4.00/M tokens
Output$8.00/M tokens
Chat with GPT 5.6 LunaGo to model
Chat with Aion 1.0Go to model
Frequently Asked Questions: GPT 5.6 Luna vs Aion 1.0▼

Which is better, GPT 5.6 Luna or Aion 1.0?

▼

Both GPT 5.6 Luna and Aion 1.0 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 5.6 Luna or Aion 1.0?

▼

GPT 5.6 Luna has a lower blended cost. GPT 5.6 Luna: $1.00 input / $6.00 output. Aion 1.0: $4.00 input / $8.00 output.

Which has a larger context window, GPT 5.6 Luna or Aion 1.0?

▼

GPT 5.6 Luna has a larger context window: GPT 5.6 Luna supports 1.1M tokens vs Aion 1.0 at 131K tokens.

Do both GPT 5.6 Luna and Aion 1.0 support vision?

▼

GPT 5.6 Luna supports vision/image input, but Aion 1.0 does not.

What are the key differences between GPT 5.6 Luna and Aion 1.0?

▼

Key differences: GPT 5.6 Luna is significantly cheaper; only GPT 5.6 Luna supports vision input. 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 5.6 Luna and Aion 1.0 for free on idapt.app to see which performs better for your specific needs.

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