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GPT 6 Luna Pro vs DeepSeek V3 (0324)

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

March 2024 iteration of the DeepSeek V3 685B MoE model.

70128K ctx$0.29/$1.14 per M#57/92
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
Cheaper60%
Capability
Capability—
Reasoning & Knowledge
Graduate Science—
Math
Math Problems—Competition Math—
Coding
Code Editing—
Agentic
Task Horizon—
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-10-02
Capability
CapabilityECI70.0
Reasoning & Knowledge
Graduate Science67.6%
Math
Math Problems75.5%Competition Math37.8%
Coding
Code Editing55.1%
Agentic
Task Horizon23min
Specs
1.1M
Context
128K
Max output
Sep 2026
Released
128K
Context
64K
Max output
Mar 2025
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input66%$0.10/M tokens
Output56%$0.50/M tokens
Cache read91%$0.01/M tokens
Cache write$0.13/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input$0.29/M tokens
Output$1.14/M tokens
Cache read$0.11/M tokens
Chat with GPT 6 Luna ProGo to model
Chat with DeepSeek V3 (0324)Go to model
Frequently Asked Questions: GPT 6 Luna Pro vs DeepSeek V3 (0324)▼

Which is better, GPT 6 Luna Pro or DeepSeek V3 (0324)?

▼

Both GPT 6 Luna Pro and DeepSeek V3 (0324) 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 DeepSeek V3 (0324)?

▼

GPT 6 Luna Pro has a lower blended cost. GPT 6 Luna Pro: $0.10 input / $0.50 output. DeepSeek V3 (0324): $0.29 input / $1.14 output.

Which has a larger context window, GPT 6 Luna Pro or DeepSeek V3 (0324)?

▼

GPT 6 Luna Pro has a larger context window: GPT 6 Luna Pro supports 1.1M tokens vs DeepSeek V3 (0324) at 128K tokens.

Do both GPT 6 Luna Pro and DeepSeek V3 (0324) support vision?

▼

GPT 6 Luna Pro supports vision/image input, but DeepSeek V3 (0324) does not.

What are the key differences between GPT 6 Luna Pro and DeepSeek V3 (0324)?

▼

Key differences: GPT 6 Luna Pro is significantly cheaper; only GPT 6 Luna Pro supports vision input; only GPT 6 Luna Pro offers extended reasoning mode. 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 DeepSeek V3 (0324) for free on idapt.app to see which performs better for your specific needs.

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