Dev: eval improvements (#1162)

Adds sonnet 3.7
Adds support for temp in eval framework

config/eval-llms.yml

@@ -39,6 +39,16 @@ llms:
     max_prompt_tokens: 200000
     vision_enabled: true
 
+  claude-3.7-sonnet:
+    display_name: Claude 3.7 Sonnet
+    name: claude-3-7-sonnet-latest
+    tokenizer: DiscourseAi::Tokenizer::AnthropicTokenizer
+    api_key_env: ANTHROPIC_API_KEY
+    provider: anthropic
+    url: https://api.anthropic.com/v1/messages
+    max_prompt_tokens: 200000
+    vision_enabled: true
+
   gemini-2.0-flash:
     display_name: Gemini 2.0 Flash
     name: gemini-2-0-flash

evals/lib/eval.rb

@@ -121,7 +121,7 @@ class DiscourseAi::Evals::Eval
   def judge_result(result)
     prompt = judge[:prompt].dup
     prompt.sub!("{{output}}", result)
-    prompt.sub!("{{input}}", args[:input])
+    args.each { |key, value| prompt.sub!("{{#{key}}}", value.to_s) }
 
     prompt += <<~SUFFIX
 
@@ -145,7 +145,8 @@ class DiscourseAi::Evals::Eval
       messages: [{ type: :user, content: prompt }],
     )
 
-    result = judge_llm.llm_model.to_llm.generate(prompt, user: Discourse.system_user)
+    result =
+      judge_llm.llm_model.to_llm.generate(prompt, user: Discourse.system_user, temperature: 0)
 
     if rating = result.match(%r{\[RATING\](\d+)\[/RATING\]})
       rating = rating[1].to_i
@@ -219,7 +220,7 @@ class DiscourseAi::Evals::Eval
     upload.destroy if upload
   end
 
-  def prompt_call(llm, system_prompt:, message:, tools: nil, stream: false)
+  def prompt_call(llm, system_prompt:, message:, temperature: nil, tools: nil, stream: false)
     if tools
       tools.each do |tool|
         tool.symbolize_keys!
@@ -230,16 +231,19 @@ class DiscourseAi::Evals::Eval
       DiscourseAi::Completions::Prompt.new(
         system_prompt,
         messages: [{ type: :user, content: message }],
-        tools: tools,
       )
 
+    prompt.tools = tools if tools
+
     result = nil
     if stream
       result = []
       llm
         .llm_model
         .to_llm
-        .generate(prompt, user: Discourse.system_user) { |partial| result << partial }
+        .generate(prompt, user: Discourse.system_user, temperature: temperature) do |partial|
+          result << partial
+        end
     else
       result = llm.llm_model.to_llm.generate(prompt, user: Discourse.system_user)
     end