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Modellix bills from one account balance. Media Models, LLMs, and Web Tools use different units. Rates are public; confirm the live price before you ship a workload. Fund the same balance for all three: Top-up. Insufficient balance returns 402.

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Media Models

Open a model on Modellix Models to see prices for each parameter combination. To compare active media models in one table, use the Modellix Pricing Page.

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Pricing Units

  • to-image: Charged by USD/img. img is the number of output images.
  • to-video: Charged by USD/sec. sec is the output video duration.
  • to-audio: Charged by USD/M chars. M chars means one million input characters (text-to-speech and related audio models).
Some models change price with input parameters. For example, a video model may cost more at 1080p than at 720p. Some speech or transcription models bill by audio duration (USD/sec). Always confirm the unit on the model detail page or the pricing table.

REST API

Submit an async media task, poll status, and retrieve billed outputs.

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LLM

The LLM gateway bills successful responses from token usage at the model’s input and output rates. Cache read/write tokens are billed when the response includes them. prompt_tokens_details.video_tokens and audio_tokens are already included in prompt_tokens and are not billed as a separate line. Pass model as a provider/name ID. Current Model IDs, Input Context tiers, discounts, and USD-per-1M-token rates are on the Modellix LLM page. That page also estimates a call with the cost calculator.

LLM Models and Pricing

Filter by provider and input modality; compare list prices with Modellix rates.

LLM Overview

Protocols, usage fields, and billing notes for Chat Completions, Responses, and Messages.

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Web Tools

Web Tools are optional. Prices below are in USD. Confirm live SKUs on Tools Overview or in the console. Web Search (POST /v1/web-search) is charged once per request according to depth. It is not billed per result or per URL. Default depth is standard.

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Web Fetch

Web Fetch (POST /v1/web-fetch) is charged $0.002 per successful URL (web-fetch). Failed URLs are not billed.
Availability and prices can change. Confirm live rates in the Modellix console and on Tools Overview.