OpenAI's fastest, most affordable GPT-6 tier for high-volume, latency-sensitive work.
Original DeepSeek V3 — the model that put DeepSeek on the map.
No shared demos for these models yet.
No captured outputs for these models yet.
Both GPT 6 Luna and DeepSeek V3 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.
GPT 6 Luna has a lower blended cost. GPT 6 Luna: $0.10 input / $0.50 output. DeepSeek V3: $0.26 input / $1.03 output.
GPT 6 Luna has a larger context window: GPT 6 Luna supports 1.1M tokens vs DeepSeek V3 at 128K tokens.
GPT 6 Luna supports vision/image input, but DeepSeek V3 does not.
Key differences: GPT 6 Luna is significantly cheaper; only GPT 6 Luna supports vision input; only GPT 6 Luna offers extended reasoning mode. Compare full specs on this page.
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 and DeepSeek V3 for free on idapt.app to see which performs better for your specific needs.