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Mercury Coder Small

Model by Inception AI. A diffusion large language model that runs incredibly quickly (500+ tokens/second) while matching Claude 3.5 Haiku and GPT-4o-mini. 1st in speed on Copilot arena, and matching 2nd in quality.

Model facts

Context window
33K tokens
Maximum output
16K tokens
Cheapest paid input
$0.25 per 1M tokens
Cheapest paid output
$1 per 1M tokens
Open weights
no
Providers
1

Capabilities and modalities

text.

Observed price history

  • 2026-08-24: $0.25 input / $1 output per 1M tokens

API providers