From 8aa891ad85c9dcbd6d89fc5d55d992b531fbc4fd Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sun, 8 Feb 2026 19:05:07 +0000
Subject: [PATCH 1/3] Initial plan


From 1d3b8a4ead4f9763275324c7d1774d48feb979a7 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sun, 8 Feb 2026 19:17:13 +0000
Subject: [PATCH 2/3] Add pricing data for claude-opus-4.6-fast model

Co-authored-by: rajbos <6085745+rajbos@users.noreply.github.com>
---
 package-lock.json        | 7 +++++++
 src/modelPricing.json    | 9 ++++++++-
 src/tokenEstimators.json | 1 +
 3 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/package-lock.json b/package-lock.json
index 149eaf5..26a156b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -563,6 +563,7 @@
         }
       ],
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=18"
       },
@@ -604,6 +605,7 @@
         }
       ],
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=18"
       }
@@ -1894,6 +1896,7 @@
       "integrity": "sha512-BtE0k6cjwjLZoZixN0t5AKP0kSzlGu7FctRXYuPAm//aaiZhmfq1JwdYpYr1brzEspYyFeF+8XF5j2VK6oalrA==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@typescript-eslint/scope-manager": "8.54.0",
         "@typescript-eslint/types": "8.54.0",
@@ -2554,6 +2557,7 @@
       "integrity": "sha512-NZyJarBfL7nWwIq+FDL6Zp/yHEhePMNnnJ0y3qfieCrmNvYct8uvtiV41UvlSe6apAfk0fY1FbWx+NwfmpvtTg==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "bin": {
         "acorn": "bin/acorn"
       },
@@ -4036,6 +4040,7 @@
       "integrity": "sha512-LEyamqS7W5HB3ujJyvi0HQK/dtVINZvd5mAAp9eT5S/ujByGjiZLCzPcHVzuXbpJDJF/cxwHlfceVUDZ2lnSTw==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@eslint-community/eslint-utils": "^4.8.0",
         "@eslint-community/regexpp": "^4.12.1",
@@ -8648,6 +8653,7 @@
       "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=12"
       },
@@ -8883,6 +8889,7 @@
       "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "dev": true,
       "license": "Apache-2.0",
+      "peer": true,
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
diff --git a/src/modelPricing.json b/src/modelPricing.json
index 95bc44f..2971ccf 100644
--- a/src/modelPricing.json
+++ b/src/modelPricing.json
@@ -2,7 +2,7 @@
   "$schema": "http://json-schema.org/draft-07/schema#",
   "description": "Model pricing data - costs per million tokens for input and output",
   "metadata": {
-    "lastUpdated": "2026-01-30",
+    "lastUpdated": "2026-02-08",
     "sources": [
       {
         "name": "OpenAI API Pricing",
@@ -206,6 +206,13 @@
       "tier": "premium",
       "multiplier": 3
     },
+    "claude-opus-4.6-fast": {
+      "inputCostPerMillion": 5.0,
+      "outputCostPerMillion": 25.0,
+      "category": "Claude models (Anthropic)",
+      "tier": "premium",
+      "multiplier": 3
+    },
     "o3-mini": {
       "inputCostPerMillion": 4.0,
       "outputCostPerMillion": 16.0,
diff --git a/src/tokenEstimators.json b/src/tokenEstimators.json
index fab2f4d..dd575cf 100644
--- a/src/tokenEstimators.json
+++ b/src/tokenEstimators.json
@@ -30,6 +30,7 @@
     "claude-haiku-4.5": 0.24,
     "claude-opus-4.1": 0.24,
     "claude-opus-4.5": 0.24,
+    "claude-opus-4.6-fast": 0.24,
     "gemini-2.5-pro": 0.25,
     "gemini-3-flash": 0.25,
     "gemini-3-pro": 0.25,

From 78e71a41bc89b4645e3207d679963a4c1d57f24f Mon Sep 17 00:00:00 2001
From: Rob Bos <rajbos@users.noreply.github.com>
Date: Sun, 8 Feb 2026 20:30:17 +0100
Subject: [PATCH 3/3] Apply suggestion from @rajbos

---
 src/modelPricing.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/modelPricing.json b/src/modelPricing.json
index 2971ccf..fc53620 100644
--- a/src/modelPricing.json
+++ b/src/modelPricing.json
@@ -211,7 +211,7 @@
       "outputCostPerMillion": 25.0,
       "category": "Claude models (Anthropic)",
       "tier": "premium",
-      "multiplier": 3
+      "multiplier": 9
     },
     "o3-mini": {
       "inputCostPerMillion": 4.0,