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fix(providers): mark Qwen3.8 Max Preview as vision-capable #449

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fix(providers): mark Qwen3.8 Max Preview as vision-capable #449

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12 changes: 12 additions & 0 deletions coworker/providers/matrix.py
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Original file line number Diff line number Diff line change
Expand Up @@ -105,6 +105,18 @@ class ModelEntry:
"kimi:kimi-k2.6": ModelEntry("Kimi K2.6 · Moonshot", _AGENTIC, 256_000),
"minimax:MiniMax-M2.5": ModelEntry("MiniMax M2.5 · MiniMax"),
"qwen:qwen3-max": ModelEntry("Qwen3 Max · Alibaba", _AGENTIC, 256_000),
# Qwen3.8 Max Preview (2026-07): multimodal (text/image/video/document) per Alibaba's
# model card, unlike the text-only Qwen3 Max above — needs its own entry so the qwen
# prefix heuristic in capabilities.py (vision=False for the whole family) doesn't
# strip images client-side (owner report 2026-08-02). PDF unverified over the compat
# surface, same caveat as Muse Spark, so it falls back via pdf_support.py too.
"qwen:qwen3.8-max-preview": ModelEntry(
"Qwen3.8 Max Preview · Alibaba",
ModelCapabilities(
tools=True, vision=True, parallel_tool_calls=True, streaming=True
),
1_000_000,
),
"xai:grok-4.3": ModelEntry("Grok 4.3 · xAI", _AGENTIC, 256_000),
"mistral:mistral-large-latest": ModelEntry(
"Mistral Large · Mistral", _AGENTIC, 128_000
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12 changes: 12 additions & 0 deletions tests/test_providers.py
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Expand Up @@ -388,6 +388,18 @@ def test_matrix_answers_capabilities_for_reseller_ids():
assert caps.tools and caps.parallel_tool_calls and caps.streaming


def test_qwen38_max_preview_is_curated_vision_true():
"""Qwen3.8 Max Preview is multimodal, unlike the text-only Qwen3 Max — it needs its
own matrix entry so the blanket qwen-prefix heuristic (vision=False) doesn't strip
images client-side (issue: images silently replaced with a placeholder). The bare
Qwen3 Max entry is untouched by the fix."""
assert capabilities_for("qwen:qwen3.8-max-preview").vision is True
assert capabilities_for("qwen:qwen3-max").vision is False
# the heuristic alone (no provider prefix) still can't tell the two apart — the
# matrix entry, not the heuristic, is what fixes this.
assert capabilities_for("qwen3.8-max-preview").vision is False


def test_matrix_labels_and_custom_model_fallback():
from coworker.providers.matrix import MATRIX, model_labels

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