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support deepseek v4 model #5122

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support deepseek v4 model #5122

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c9c495e
support deepseek v4 model
CRUDYYDS May 10, 2026
be3b8b4
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CRUDYYDS May 10, 2026
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4 changes: 3 additions & 1 deletion aider/models.py
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Original file line number Diff line number Diff line change
Expand Up @@ -103,6 +103,8 @@
"3": "gpt-3.5-turbo",
# Other models
"deepseek": "deepseek/deepseek-chat",
"deepseek-v4-flash": "deepseek/deepseek-v4-flash",
"deepseek-v4-pro": "deepseek/deepseek-v4-pro",
"flash": "gemini/gemini-flash-latest",
"flash-lite": "gemini/gemini-2.5-flash-lite",
"quasar": "openrouter/openrouter/quasar-alpha",
Expand Down Expand Up @@ -483,7 +485,7 @@ def apply_generic_model_settings(self, model):
self.accepts_settings.append("reasoning_effort")
return # <--

if "deepseek" in model and "v3" in model:
if "deepseek" in model and ("v3" in model or "v4" in model):
self.edit_format = "diff"
self.use_repo_map = True
self.reminder = "sys"
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28 changes: 28 additions & 0 deletions aider/resources/model-metadata.json
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Expand Up @@ -31,6 +31,34 @@
//"supports_tool_choice": true,
"supports_prompt_caching": true
},
"deepseek/deepseek-v4-flash": {
"max_tokens": 8192,
"max_input_tokens": 128000,
"max_output_tokens": 8192,
"input_cost_per_token": 0.00000028,
"input_cost_per_token_cache_hit": 0.000000028,
"cache_read_input_token_cost": 0.000000028,
"cache_creation_input_token_cost": 0.0,
"output_cost_per_token": 0.00000042,
"litellm_provider": "deepseek",
"mode": "chat",
"supports_assistant_prefill": true,
"supports_prompt_caching": true
},
"deepseek/deepseek-v4-pro": {
"max_tokens": 8192,
"max_input_tokens": 128000,
"max_output_tokens": 8192,
"input_cost_per_token": 0.00000028,
"input_cost_per_token_cache_hit": 0.000000028,
"cache_read_input_token_cost": 0.000000028,
"cache_creation_input_token_cost": 0.0,
"output_cost_per_token": 0.00000042,
"litellm_provider": "deepseek",
"mode": "chat",
"supports_assistant_prefill": true,
"supports_prompt_caching": true
},
"openrouter/deepseek/deepseek-r1:free": {
"max_tokens": 8192,
"max_input_tokens": 64000,
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18 changes: 18 additions & 0 deletions aider/resources/model-settings.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -612,6 +612,24 @@
editor_model_name: openrouter/deepseek/deepseek-chat:free
editor_edit_format: editor-diff

- name: deepseek/deepseek-v4-flash
edit_format: diff
use_repo_map: true
reminder: sys
examples_as_sys_msg: true
extra_params:
max_tokens: 8192
caches_by_default: true

- name: deepseek/deepseek-v4-pro
edit_format: diff
use_repo_map: true
reminder: sys
examples_as_sys_msg: true
extra_params:
max_tokens: 8192
caches_by_default: true

- name: deepseek/deepseek-coder
edit_format: diff
use_repo_map: true
Expand Down