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DeepSeek V3.2 Exp vs GPT 5.6 Luna

At a glance
DeepSeekDeepSeek V3.2 Exp

Experimental DeepSeek V3.2 variant with DeepSeek Sparse Attention.

77164K ctx$0.27/$0.41 per M#35/92
OpenAIGPT 5.6 Luna

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

1.1M ctx$1.00/$6.00 per M
AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
DeepSeekDeepSeek V3.2 Exp
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper
Capability
CapabilityECI77.2
Reasoning & Knowledge
Graduate Science—
Coding
Code Editing74.2%
Agentic
Terminal Tasks—
OpenAIGPT 5.6 Luna
Reasoning
CodingInsufficient data
MathInsufficient data
Sources:Provider·OpenRouter· as of 2026-07-11
Capability
Capability—
Reasoning & Knowledge
Graduate Science92.3%
Coding
Code Editing—
Agentic
Terminal Tasks84.7%
Specs
DeepSeekDeepSeek V3.2 Exp
164K
Context
66K
Max output
Sep 2025
Released
OpenAIGPT 5.6 Luna
1.1M
Context
128K
Max output
Jul 2026
Released
Capabilities
DeepSeekDeepSeek V3.2 Exp
Vision
Audio
Reasoning
OpenAIGPT 5.6 Luna
Vision
Audio
Reasoning
Pricing
DeepSeekDeepSeek V3.2 Exp
Live pricing, shown before you run
Input$0.27/M tokens
Output$0.41/M tokens
OpenAIGPT 5.6 Luna
Live pricing, shown before you run
Input$1.00/M tokens
Output$6.00/M tokens
Cache read$0.10/M tokens
Web search$0.01/search
Chat with DeepSeek V3.2 ExpGo to model
Chat with GPT 5.6 LunaGo to model
Frequently Asked Questions: DeepSeek V3.2 Exp vs GPT 5.6 Luna▼

Which is better, DeepSeek V3.2 Exp or GPT 5.6 Luna?

▼

Both DeepSeek V3.2 Exp and GPT 5.6 Luna 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, DeepSeek V3.2 Exp or GPT 5.6 Luna?

▼

DeepSeek V3.2 Exp has a lower blended cost. DeepSeek V3.2 Exp: $0.27 input / $0.41 output. GPT 5.6 Luna: $1.00 input / $6.00 output.

Which has a larger context window, DeepSeek V3.2 Exp or GPT 5.6 Luna?

▼

GPT 5.6 Luna has a larger context window: DeepSeek V3.2 Exp supports 164K tokens vs GPT 5.6 Luna at 1.1M tokens.

Do both DeepSeek V3.2 Exp and GPT 5.6 Luna support vision?

▼

GPT 5.6 Luna supports vision/image input, but DeepSeek V3.2 Exp does not.

What are the key differences between DeepSeek V3.2 Exp and GPT 5.6 Luna?

▼

Key differences: DeepSeek V3.2 Exp 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 DeepSeek V3.2 Exp and GPT 5.6 Luna for free on idapt.app to see which performs better for your specific needs.

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