FEATURE: Update model names and specs

config/locales/client.en.yml

@@ -446,15 +446,14 @@ en:
           anthropic-claude-3-7-sonnet: "Anthropic's most intelligent model"
           anthropic-claude-3-5-haiku: "Fast and cost-effective"
           anthropic-claude-3-opus: "Excels at writing and complex tasks"
-          google-gemini-1-5-pro: "Mid-sized multimodal model capable of a wide range of tasks"
-          google-gemini-1-5-flash: "Lightweight, fast, and cost-efficient with multimodal reasoning"
-          open_ai-gpt-4-turbo: "Previous generation high-intelligence model"
-          open_ai-gpt-4o: "High intelligence model for complex, multi-step tasks"
-          open_ai-gpt-4o-mini: "Affordable and fast small model for lightweight tasks"
-          open_ai-o1-mini: "Cost-efficient reasoning model"
-          open_ai-o1-preview: "Open AI's most capabale reasoning model (preview)"
+          google-gemini-2-5-pro: "Mid-sized multimodal model capable of a wide range of tasks"
+          google-gemini-2-0-flash: "Lightweight, fast, and cost-efficient with multimodal reasoning"
+          google-gemini-2-0-flash-lite: "Cost efficient and low latency model"
           open_ai-o1: "Open AI's most capable reasoning model"
           open_ai-o3-mini: "Advanced Cost-efficient reasoning model"
+          open_ai-gpt-4-1: "Open AI's flagship model. It is well suited for problem solving across domains"
+          open_ai-gpt-4-1-mini: "Provides a balance between intelligence, speed, and cost that makes it an attractive model for many use cases."
+          open_ai-gpt-4-1-nano: "Fastest, most cost-effective GPT-4.1 model."
           samba_nova-Meta-Llama-3-1-8B-Instruct: "Efficient lightweight multilingual model"
           samba_nova-Meta-Llama-3-3-70B-Instruct": "Powerful multipurpose model"
           mistral-mistral-large-latest: "Mistral's most powerful model"

lib/ai_bot/playground.rb

@@ -247,19 +247,19 @@ def title_playground(post, user)
 
         system_insts = <<~TEXT.strip
           You are titlebot. Given a conversation, you will suggest a title.
-  
+
           - You will never respond with anything but the suggested title.
           - You will always match the conversation language in your title suggestion.
           - Title will capture the essence of the conversation.
         TEXT
 
         instruction = <<~TEXT.strip
           Given the following conversation:
-  
+
           {{{
           #{conversation}
           }}}
-  
+
           Reply only with a title that is 7 words or less.
         TEXT
 
@@ -336,6 +336,8 @@ def reply_to_chat_message(message, channel, context_post_ids)
 
         new_prompts =
           bot.reply(context) do |partial, cancel, placeholder|
+            # no support for tools or thinking by design
+            next if !partial.is_a?(String)
             if !reply
               # just eat all leading spaces we can not create the message
               next if partial.blank?

lib/completions/llm.rb

@@ -42,18 +42,25 @@ def presets
                   id: "google",
                   models: [
                     {
-                      name: "gemini-1.5-pro",
+                      name: "gemini-2.5-pro",
                       tokens: 800_000,
                       endpoint:
-                        "https://generativelanguage.googleapis.com/v1beta/models/gemini-1.5-pro-latest",
-                      display_name: "Gemini 1.5 Pro",
+                        "https://generativelanguage.googleapis.com/v1beta/models/gemini-2.5-pro-preview-03-25",
+                      display_name: "Gemini 2.5 Pro",
                     },
                     {
-                      name: "gemini-1.5-flash",
+                      name: "gemini-2.0-flash",
                       tokens: 800_000,
                       endpoint:
-                        "https://generativelanguage.googleapis.com/v1beta/models/gemini-1.5-flash-latest",
-                      display_name: "Gemini 1.5 Flash",
+                        "https://generativelanguage.googleapis.com/v1beta/models/gemini-2.0-flash",
+                      display_name: "Gemini 2.0 Flash",
+                    },
+                    {
+                      name: "gemini-2.0-flash-lite",
+                      tokens: 800_000,
+                      endpoint:
+                        "https://generativelanguage.googleapis.com/v1beta/models/gemini-2.0-flash-lite",
+                      display_name: "Gemini 2.0 Flash Lite",
                     },
                   ],
                   tokenizer: DiscourseAi::Tokenizer::GeminiTokenizer,
@@ -64,11 +71,9 @@ def presets
                   models: [
                     { name: "o3-mini", tokens: 200_000, display_name: "o3 Mini" },
                     { name: "o1", tokens: 200_000, display_name: "o1" },
-                    { name: "o1-preview", tokens: 131_072, display_name: "o1 preview" },
-                    { name: "o1-mini", tokens: 131_072, display_name: "o1 Mini" },
-                    { name: "gpt-4o", tokens: 131_072, display_name: "GPT-4 Omni" },
-                    { name: "gpt-4o-mini", tokens: 131_072, display_name: "GPT-4 Omni Mini" },
-                    { name: "gpt-4-turbo", tokens: 131_072, display_name: "GPT-4 Turbo" },
+                    { name: "gpt-4.1", tokens: 131_072, display_name: "GPT-4.1" },
+                    { name: "gpt-4.1-mini", tokens: 131_072, display_name: "GPT-4.1 Mini" },
+                    { name: "gpt-4.1-nano", tokens: 131_072, display_name: "GPT-4.1 Nano" },
                   ],
                   tokenizer: DiscourseAi::Tokenizer::OpenAiTokenizer,
                   endpoint: "https://api.openai.com/v1/chat/completions",

spec/lib/modules/ai_bot/playground_spec.rb

@@ -397,7 +397,15 @@
           guardian: guardian,
         )
 
-        DiscourseAi::Completions::Llm.with_prepared_responses(["world"]) do |_, _, _prompts|
+        thinking =
+          DiscourseAi::Completions::Thinking.new(
+            message: "I should say hello",
+            signature: "thinking-signature-123",
+            partial: false,
+          )
+        DiscourseAi::Completions::Llm.with_prepared_responses(
+          [[thinking, thinking, "wo", "rld", thinking]],
+        ) do |_, _, _prompts|
           ChatSDK::Message.create(
             channel_id: channel.id,
             raw: "Hello @#{persona.user.username}",