From a0fc1bca30b478a7594b2ce285c4bfe0563f195f Mon Sep 17 00:00:00 2001
From: ProgrammerIn-wonderland
 <30693865+ProgrammerIn-wonderland@users.noreply.github.com>
Date: Fri, 6 Mar 2026 16:59:39 -0800
Subject: [PATCH] add gpt 5.3 codex and gpt 5.4 (#2618)

* add gpt 5.3 codex and gpt 5.4

* add gemini 3.1 pro preview
---
 .../chat/providers/GeminiProvider/models.ts   | 22 ++++++++++
 .../chat/providers/OpenAiProvider/models.ts   | 40 +++++++++++++++++++
 2 files changed, 62 insertions(+)

diff --git a/src/backend/src/services/ai/chat/providers/GeminiProvider/models.ts b/src/backend/src/services/ai/chat/providers/GeminiProvider/models.ts
index bf7e663c9..5b24279b4 100644
--- a/src/backend/src/services/ai/chat/providers/GeminiProvider/models.ts
+++ b/src/backend/src/services/ai/chat/providers/GeminiProvider/models.ts
@@ -134,6 +134,28 @@ export const GEMINI_MODELS: IChatModel[] = [
         },
         max_tokens: 200_000,
     },
+    {
+        puterId: 'google:google/gemini-3.1-pro-preview',
+        id: 'gemini-3.1-pro-preview',
+        modalities: { 'input': ['text', 'image', 'video', 'audio', 'pdf'], 'output': ['text'] },
+        open_weights: false,
+        tool_call: true,
+        knowledge: '2025-01',
+        release_date: '2026-02-19',
+        name: 'Gemini 3.1 Pro Preview',
+        aliases: ['google/gemini-3.1-pro-preview'],
+        context: 1_048_576,
+        costs_currency: 'usd-cents',
+        input_cost_key: 'prompt_tokens',
+        output_cost_key: 'completion_tokens',
+        costs: {
+            tokens: 1_000_000,
+            prompt_tokens: 200,
+            completion_tokens: 1200,
+            cached_tokens: 20,
+        },
+        max_tokens: 65536,
+    },
     {
         puterId: 'google:google/gemini-3-flash-preview',
         id: 'gemini-3-flash-preview',
diff --git a/src/backend/src/services/ai/chat/providers/OpenAiProvider/models.ts b/src/backend/src/services/ai/chat/providers/OpenAiProvider/models.ts
index c4fd7c7e6..f64a4b71a 100644
--- a/src/backend/src/services/ai/chat/providers/OpenAiProvider/models.ts
+++ b/src/backend/src/services/ai/chat/providers/OpenAiProvider/models.ts
@@ -4,6 +4,46 @@ import { IChatModel } from '../types';
 
 // Hardcoded from https://models.dev/api.json
 export const OPEN_AI_MODELS: IChatModel[] = [
+    {
+        puterId: 'openai:openai/gpt-5.4',
+        id: 'gpt-5.4-2026-03-05',
+        modalities: { 'input': ['text', 'image'], 'output': ['text'] },
+        open_weights: false,
+        tool_call: true,
+        knowledge: '2025-08-31',
+        release_date: '2026-03-05',
+        aliases: ['gpt-5.4', 'openai/gpt-5.4'],
+        costs_currency: 'usd-cents',
+        input_cost_key: 'prompt_tokens',
+        output_cost_key: 'completion_tokens',
+        costs: {
+            tokens: 1_000_000,
+            prompt_tokens: 250,
+            cached_tokens: 25,
+            completion_tokens: 1500,
+        },
+        max_tokens: 1_050_000, // this is used for context length calculations so its misnamed from when OpenAI max_tokens and content_length were the same value
+    },
+    {
+        puterId: 'openai:openai/gpt-5.3-codex',
+        id: 'gpt-5.3-codex',
+        modalities: { 'input': ['text', 'image'], 'output': ['text'] },
+        open_weights: false,
+        tool_call: true,
+        knowledge: '2025-08-31',
+        aliases: ['openai/gpt-5.3-codex'],
+        costs_currency: 'usd-cents',
+        input_cost_key: 'prompt_tokens',
+        output_cost_key: 'completion_tokens',
+        costs: {
+            tokens: 1_000_000,
+            prompt_tokens: 175,
+            cached_tokens: 17.5,
+            completion_tokens: 1400,
+        },
+        max_tokens: 128000,
+        responses_api_only: true,
+    },
     {
         puterId: 'openai:openai/gpt-5.2-codex',
         id: 'gpt-5.2-codex',