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Picking a Model

features.ai.model controls which model powers the AI Assistant's text and chat — generating and editing copy, layouts, and design. It is independent of features.ai.image.model, which only affects AI image generation and editing.

Recommended: let Unlayer pick

Leave features.ai.model unset and Unlayer picks the best model per request. Set it only when you need to pin a specific provider or model.

Pin a model​

features.ai.model accepts:

  • a "<provider>/<modelId>" pair (e.g. "openai/gpt-5.5", "anthropic/claude-opus-4-7") — pins both provider and model, unambiguous;
  • a bare model id (e.g. "gpt-5.5");
  • a provider name (e.g. "openai", "anthropic") — locks the vendor and lets Unlayer pick that provider's default model.
unlayer.init({
  features: {
    ai: {
      enabled: true,
      assistant: true,

      // Provider only — Unlayer picks that provider's default model:
      model: 'anthropic',

      // Or pin an exact model:
      // model: 'openai/gpt-5.5',
    },
  },
});

Supported providers: openai, anthropic.

Quality vs. cost​

If you do pin a model, here's how the tiers generally compare:

TierExamplesRelative costBest for
Frontierclaude-opus-4-7, gpt-5.5HigherDesign-heavy work — generating or restyling templates. Strong visual taste and copy quality.
Mid-tierclaude-sonnet-4-6, gpt-5.5-miniStandardSolid all-rounder. Reasonable design awareness at mainstream rates.
Small / fastclaude-haiku-4-5, gpt-5.5-nanoLowerShort text rewrites only. Avoid for design generation — tends to produce flat, low-taste layouts.