feat(cost): add Cerebras inference pricing for all models

packages/cost/providers/cerebras/index.ts

@@ -0,0 +1,49 @@
+/**
+ *
+ * DO NOT EDIT THIS FILE UNLESS IT IS IN /costs
+ */
+
+import { ModelRow } from "../../interfaces/Cost";
+
+export const costs: ModelRow[] = [
+  {
+    model: {
+      operator: "equals",
+      value: "llama3.1-8b",
+    },
+    cost: {
+      prompt_token: 0.0000001, // $0.10/1M tokens
+      completion_token: 0.0000001, // $0.10/1M tokens
+    },
+  },
+  {
+    model: {
+      operator: "equals",
+      value: "gpt-oss-120b",
+    },
+    cost: {
+      prompt_token: 0.00000035, // $0.35/1M tokens
+      completion_token: 0.00000075, // $0.75/1M tokens
+    },
+  },
+  {
+    model: {
+      operator: "equals",
+      value: "qwen-3-235b-a22b-instruct-2507",
+    },
+    cost: {
+      prompt_token: 0.0000006, // $0.60/1M tokens
+      completion_token: 0.0000012, // $1.20/1M tokens
+    },
+  },
+  {
+    model: {
+      operator: "equals",
+      value: "zai-glm-4.7",
+    },
+    cost: {
+      prompt_token: 0.00000225, // $2.25/1M tokens
+      completion_token: 0.00000275, // $2.75/1M tokens
+    },
+  },
+];

packages/cost/providers/mappings.ts

@@ -6,6 +6,7 @@ import { costs as awsNovaCosts } from "./aws/awsNova";
 import { costs as azureCosts } from "./azure";
 import { costs as llamaCosts } from "./llama";
 import { costs as nvidiaCosts } from "./nvidia";
+import { costs as cerebrasCosts } from "./cerebras";
 import { costs as cohereCosts } from "./cohere";
 import { costs as deepseekCosts } from "./deepseek";
 import { costs as fireworksAICosts } from "./fireworks";
@@ -319,7 +320,7 @@ export const providers: {
   {
     pattern: cerebras,
     provider: "CEREBRAS",
-    costs: [],
+    costs: cerebrasCosts,
   },
   {
     pattern: canopywave,