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Nemotron 3.5 Lightning vs GPT 6 Luna Pro

At a glance

NVIDIA's open 30B MoE built for high-throughput agentic workloads.

262K ctx$0.06/$0.17 per M

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

1.1M ctx$0.10/$0.50 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
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Cheaper56%
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Specs
262K
Context
131K
Max output
Aug 2026
Released
1.1M
Context
128K
Max output
Sep 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input41%$0.06/M tokens
Output66%$0.17/M tokens
Cache read$0.03/M tokens
Live pricing, shown before you run
Input$0.10/M tokens
Output$0.50/M tokens
Cache read66%$0.01/M tokens
Cache write$0.13/M tokens
Web search$0.01/search
Chat with Nemotron 3.5 LightningGo to model
Chat with GPT 6 Luna ProGo to model
Frequently Asked Questions: Nemotron 3.5 Lightning vs GPT 6 Luna Pro▼

Which is better, Nemotron 3.5 Lightning or GPT 6 Luna Pro?

▼

Both Nemotron 3.5 Lightning and GPT 6 Luna Pro 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, Nemotron 3.5 Lightning or GPT 6 Luna Pro?

▼

Nemotron 3.5 Lightning has a lower blended cost. Nemotron 3.5 Lightning: $0.06 input / $0.17 output. GPT 6 Luna Pro: $0.10 input / $0.50 output.

Which has a larger context window, Nemotron 3.5 Lightning or GPT 6 Luna Pro?

▼

GPT 6 Luna Pro has a larger context window: Nemotron 3.5 Lightning supports 262K tokens vs GPT 6 Luna Pro at 1.1M tokens.

Do both Nemotron 3.5 Lightning and GPT 6 Luna Pro support vision?

▼

GPT 6 Luna Pro supports vision/image input, but Nemotron 3.5 Lightning does not.

What are the key differences between Nemotron 3.5 Lightning and GPT 6 Luna Pro?

▼

Key differences: only GPT 6 Luna Pro 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 Nemotron 3.5 Lightning and GPT 6 Luna Pro for free on idapt.app to see which performs better for your specific needs.

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