Mercury 3
Its low listed input price makes it a fit for high-volume work and background automation. The 1M tokens context window suits large monorepos and long sessions.
Model comparison
Mercury 3 vs GPT-6 Luna
Compare listed prices, context windows and vision support.
Side-by-side comparison
| Spec | Mercury 3 | GPT-6 Luna |
|---|---|---|
| Listed input price | $0.1/M | $0.1/M |
| Listed output price | $0.35/M | $0.5/M |
| Context window | 1M tokens | 1M tokens |
| Vision | No | Yes |
Good for
GPT-6 Luna
Its low listed input price makes it a fit for high-volume work and background automation. Vision support fits UI screenshots, browser and visual tasks, while the 1M tokens context window suits large monorepos and long sessions.
Data summary
Mercury 3 lists the lower output price; input prices match. Both models have a 1M tokens context window. GPT-6 Luna supports vision; Mercury 3 does not.
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Catalog updated 2026-10-21