diff --git a/packages/ai/src/providers/vision-guard.ts b/packages/ai/src/providers/vision-guard.ts
index 72981343c..5a85baf27 100644
--- a/packages/ai/src/providers/vision-guard.ts
+++ b/packages/ai/src/providers/vision-guard.ts
@@ -55,10 +55,12 @@ export function isDashscopeCompatibleModeTextOnlyQwen(model: Model<"openai-compl
 	if (!isQwenModelId(model.id)) return false;
 	const id = model.id.toLowerCase();
 	if (/\bqwen(?:[\d.]+)?-coder\b/.test(id)) return true;
-	const maxMatch = id.match(/\bqwen(\d+(?:\.\d+)?)?-max\b/);
+	const maxMatch = id.match(/\bqwen(?:(\d+)(?:\.(\d+))?)?-max\b/);
 	if (!maxMatch) return false;
-	// Bare `qwen-max` (undefined version) is the text-only 2.5-era flagship;
-	// treat missing/pre-3.8 versions as text-only, 3.8+ as multimodal.
-	const version = maxMatch[1] ? Number.parseFloat(maxMatch[1]) : 0;
-	return version < 3.8;
+	// Bare `qwen-max` (no version) is the text-only 2.5-era flagship. Compare
+	// major/minor component-wise, not as a decimal float, so `qwen3.10-max`
+	// sorts after `qwen3.8-max`: text-only through 3.7, multimodal from 3.8 on.
+	const major = maxMatch[1] ? Number.parseInt(maxMatch[1], 10) : 0;
+	const minor = maxMatch[2] ? Number.parseInt(maxMatch[2], 10) : 0;
+	return major < 3 || (major === 3 && minor < 8);
 }
diff --git a/packages/ai/test/openai-completions-tool-result-images.test.ts b/packages/ai/test/openai-completions-tool-result-images.test.ts
index 87f459095..1219f8e30 100644
--- a/packages/ai/test/openai-completions-tool-result-images.test.ts
+++ b/packages/ai/test/openai-completions-tool-result-images.test.ts
@@ -394,9 +394,11 @@ describe("openai-completions convertMessages", () => {
 	it("preserves image_url for DashScope compatible-mode multimodal Qwen models", () => {
 		// Counter-cases for the issue #1859 guard: DashScope also exposes
 		// genuinely multimodal Qwen ids without `vl` in the name (`qwen3.7-plus`),
-		// and Qwen-Max is multimodal from `qwen3.8-max` onward (issue #8305), so
-		// the text-only override must be limited to known text-only families.
-		for (const id of ["qwen3.7-plus", "qwen-vl-max", "qwen3.8-max", "qwen3.8-max-preview"]) {
+		// and Qwen-Max is multimodal from `qwen3.8-max` onward (issue #8305) —
+		// including `qwen3.10-max`, which a decimal-float compare would wrongly
+		// sort below 3.8 — so the text-only override must stay limited to the
+		// known text-only families.
+		for (const id of ["qwen3.7-plus", "qwen-vl-max", "qwen3.8-max", "qwen3.8-max-preview", "qwen3.10-max"]) {
 			const baseModel = getBundledModel("openai", "gpt-4o-mini") as Model<"openai-completions">;
 			const model: Model<"openai-completions"> = {
 				...baseModel,