Bump anthropic gem (#819)

* Bump anthropic gem

* changelog entry

Author: andreibondarev

CHANGELOG.md

@@ -1,4 +1,6 @@
 ## [Unreleased]
+- Bump anthropic gem
+- Default Langchain::LLM::Anthropic chat model is "claude-3-5-sonnet-20240620" now
 
 ## [0.17.1] - 2024-10-07
 - Move Langchain::Assistant::LLM::Adapter-related classes to separate files

Gemfile.lock

@@ -42,7 +42,7 @@ GEM
       public_suffix (>= 2.0.2, < 6.0)
     afm (0.2.2)
     ai21 (0.2.1)
-    anthropic (0.3.0)
+    anthropic (0.3.2)
       event_stream_parser (>= 0.3.0, < 2.0.0)
       faraday (>= 1)
       faraday-multipart (>= 1)

lib/langchain/llm/anthropic.rb

@@ -5,7 +5,7 @@ module Langchain::LLM
   # Wrapper around Anthropic APIs.
   #
   # Gem requirements:
-  #   gem "anthropic", "~> 0.3.0"
+  #   gem "anthropic", "~> 0.3.2"
   #
   # Usage:
   #     anthropic = Langchain::LLM::Anthropic.new(api_key: ENV["ANTHROPIC_API_KEY"])
@@ -14,7 +14,7 @@ class Anthropic < Base
     DEFAULTS = {
       temperature: 0.0,
       completion_model_name: "claude-2.1",
-      chat_completion_model_name: "claude-3-sonnet-20240229",
+      chat_completion_model_name: "claude-3-5-sonnet-20240620",
       max_tokens_to_sample: 256
     }.freeze