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fix: change DeepSeek default aux model from deepseek-chat to deepseek-v4-flash #54556

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fix: change DeepSeek default aux model from deepseek-chat to deepseek-v4-flash #54556

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2 changes: 1 addition & 1 deletion plugins/model-providers/deepseek/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -94,7 +94,7 @@ def build_api_kwargs_extras(
"deepseek-reasoner",
),
base_url="https://api.deepseek.com/v1",
default_aux_model="deepseek-chat",
default_aux_model="deepseek-v4-flash",
)

register_provider(deepseek)
8 changes: 4 additions & 4 deletions tests/plugins/model_providers/test_deepseek_profile.py
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Original file line number Diff line number Diff line change
Expand Up @@ -195,12 +195,12 @@ class TestDeepSeekAuxModel:
system.
"""

def test_profile_advertises_deepseek_chat(self, deepseek_profile):
assert deepseek_profile.default_aux_model == "deepseek-chat"
def test_profile_advertises_deepseek_v4_flash(self, deepseek_profile):
assert deepseek_profile.default_aux_model == "deepseek-v4-flash"

@teknium1 teknium1 Jul 15, 2026

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This fixed model-name assertion is a change-detector snapshot. Please test the resolver/profile relationship instead (and, if useful, that the profile default is in the DeepSeek curated catalog) so routine model-default updates do not require rewriting this test.


def test_consumer_api_returns_deepseek_chat(self):
def test_consumer_api_returns_deepseek_v4_flash(self):
from agent.auxiliary_client import _get_aux_model_for_provider
assert _get_aux_model_for_provider("deepseek") == "deepseek-chat"
assert _get_aux_model_for_provider("deepseek") == "deepseek-v4-flash"

def test_consumer_api_returns_non_empty(self):
from agent.auxiliary_client import _get_aux_model_for_provider
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