Morph's fastest apply model for code edits. ~10,500 tokens/sec with 96% accuracy for rapid code transformations.
The model requires the prompt to be in the following format: <instruction>{instruction}</instruction> <code>{initial_code}</code> <update>{edit_snippet}</update>
Zero Data Retention is enabled for Morph. Learn more about this model in their documentation(opens in new tab)
Modalities
Input Price
$0.80per 1M
Output Price
$1.20per 1M
Context
82K
Weekly Tokens
93.3M
Released
Jul 7, 2025
Create an API key from your OpenRouter dashboard and set it as an environment variable:
Use morph/morph-v3-fast with the OpenRouter API:
FastApply allows you to apply code edits by providing the original code, the desired changes, and instructions. The model will merge the changes intelligently.
In the examples below, the OpenRouter-specific headers are optional. Setting them allows your app to appear on the OpenRouter leaderboards.
For information about using third-party SDKs and frameworks with OpenRouter, please see our frameworks documentation.
Add "stream": true to your request body to receive responses as server-sent events:
https://openrouter.ai/api/v1/chat/completionsBearer $OPENROUTER_API_KEYapplication/jsonoptional — your site URL, for rankingsoptional — your site name, for rankingsmorph/morph-v3-fast| Name | Type | Default | Description |
|---|---|---|---|
max_tokens | integer | — | This sets the upper limit for the number of tokens the model can generate in response. |
temperature | float | 1 | This setting influences the variety in the model's responses. |
stop | array | — | Stop generation immediately if the model encounter any token specified in the stop array. |