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@ -16,7 +16,8 @@ Aider now has experimental support for using two models to complete each coding
- An Architect model is asked to describe how to solve the coding problem. - An Architect model is asked to describe how to solve the coding problem.
- An Editor model is given the Architect's solution and asked to produce specific code editing instructions to apply those changes to existing source files. - An Editor model is given the Architect's solution and asked to produce specific code editing instructions to apply those changes to existing source files.
Splitting up "code reasoning" and "code editing" has produced SOTA results on Splitting up "code reasoning" and "code editing" in this manner
has produced SOTA results on
[aider's code editing benchmark](/docs/benchmarks.html#the-benchmark). [aider's code editing benchmark](/docs/benchmarks.html#the-benchmark).
It also significantly improved the benchmark scores of many It also significantly improved the benchmark scores of many
models, compared to their previous "solo" baseline scores (striped bars). models, compared to their previous "solo" baseline scores (striped bars).
@ -293,23 +294,21 @@ This second Editor LLM can then interpret the solution description and
produce the code editing instructions needed to update produce the code editing instructions needed to update
the existing source code. the existing source code.
This approach has recently become attractive for aider due to the This approach has recently become attractive for aider due to
rapid improvements in the speed and costs of frontier models. rapid improvements in the speed and costs of frontier models.
In particular, chaining older LLMs would have been quite slow and In particular, chaining older LLMs would have been quite slow and
incompatible with aider's goal of providing a rapid, interactive, incompatible with aider's goal of providing an interactive,
pair programming AI coding experience. pair programming AI coding experience.
## Code reasoning and code editing ## Code reasoning and code editing
Aider uses a variety of
[edit formats](/docs/more/edit-formats.html)
to allow LLMs to specify edits to local source files.
All of aider's editing formats require the LLM to return source code edits in a specific text
format, so that aider can process the edits and apply them to the local source files.
Normally aider asks the model to solve a coding problem in one prompt, Normally aider asks the model to solve a coding problem in one prompt,
asking the LLM to explain the solution and return asking the LLM to explain the solution and return
a well formatted series of file edits. a well formatted series of file edits.
All of [aider's editing formats](/docs/more/edit-formats.html)
require the LLM to return source code edits in a specific text
format, so that aider can process the edits and apply them to the local source files.
Because this all happens in a single prompt/response round trip to the LLM, Because this all happens in a single prompt/response round trip to the LLM,
the model has to split its attention between the model has to split its attention between
solving the coding problem and conforming to the edit format. solving the coding problem and conforming to the edit format.
@ -317,11 +316,11 @@ solving the coding problem and conforming to the edit format.
The Architect/Editor approach splits this into two inference steps, possibly The Architect/Editor approach splits this into two inference steps, possibly
using two different LLMs: using two different LLMs:
1. Ask how to solve the coding problem (Architect). 1. Solve the coding problem (Architect).
2. Turn the proposed solution into a series of well formed code edits (Editor). 2. Turn the proposed solution into a series of well formed code edits (Editor).
The Architect/Editor approach allows the Architect to focus on solving the coding problem The Architect/Editor approach allows the Architect to focus on solving the coding problem
and describe the solution however comes naturally to it. and *describe the solution however comes naturally to it*.
Similarly, the Editor can focus all of its attention on properly formatting the edits Similarly, the Editor can focus all of its attention on properly formatting the edits
without needing to reason much about how to solve the coding problem. without needing to reason much about how to solve the coding problem.
@ -383,10 +382,10 @@ For more details, see documentation on
Below are the benchmark results using various models as the Architect, paired with Below are the benchmark results using various models as the Architect, paired with
various models as the Editor. various models as the Editor.
Each section includes a "baseline" result, Each section includes a "baseline" result,
where the model where the model works
by itself with aider's normal "code" editing mode by itself in aider's normal "code" editing mode
(not as part of an Architect/Editor configuration). (not as part of an Architect/Editor configuration).
This baseline represents the performance previously available when using This "solo" baseline represents the performance previously available when using
this model with aider. this model with aider.
<div class="table-container"> <div class="table-container">