From c2e60db19640f51d7594fca37e529a5e767ccb53 Mon Sep 17 00:00:00 2001
From: Mplan <mplan_@outlook.com>
Date: Tue, 9 Jun 2026 17:43:00 +0800
Subject: [PATCH] chore(config): update default model to deepseek-v4-flash

---
 README.md           | 4 ++--
 index.ts            | 2 +-
 src/config.ts       | 2 +-
 test/config.test.ts | 4 ++--
 4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/README.md b/README.md
index 9648794..ed367b0 100644
--- a/README.md
+++ b/README.md
@@ -85,7 +85,7 @@ bun run gai config
 |---|---|---|
 | `GAI_API_KEY` | — | **Required.** Your API key |
 | `GAI_API_BASE` | `https://api.deepseek.com/v1` | API base URL |
-| `GAI_MODEL` | `deepseek-chat` | Model name |
+| `GAI_MODEL` | `deepseek-v4-flash` | Model name |
 | `GAI_MAX_TOKENS` | `500` | Max response tokens |
 | `GAI_TEMPERATURE` | `0.7` | Sampling temperature |
 
@@ -96,7 +96,7 @@ Bun auto-loads `.env` — no dotenv needed:
 ```bash
 GAI_API_KEY=sk-your-key
 GAI_API_BASE=https://api.deepseek.com/v1
-GAI_MODEL=deepseek-chat
+GAI_MODEL=deepseek-v4-flash
 ```
 
 ### Using other providers
diff --git a/index.ts b/index.ts
index 5275a1e..ea8cab7 100644
--- a/index.ts
+++ b/index.ts
@@ -38,7 +38,7 @@ ${BOLD}Configuration:${RESET}
   Set via ${CYAN}gai config${RESET} or environment variables:
     GAI_API_KEY      OpenAI-compatible API key
     GAI_API_BASE     API base URL (default: https://api.deepseek.com/v1)
-    GAI_MODEL        Model name (default: deepseek-chat)
+    GAI_MODEL        Model name (default: deepseek-v4-flash)
     GAI_MAX_TOKENS   Max tokens (default: 500)
     GAI_TEMPERATURE  Temperature (default: 0.7)
 `);
diff --git a/src/config.ts b/src/config.ts
index 387ffff..1be7e04 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -6,7 +6,7 @@ import type { Config } from "./types";
 const DEFAULT_CONFIG: Config = {
   apiKey: "",
   apiBase: "https://api.deepseek.com/v1",
-  model: "deepseek-chat",
+  model: "deepseek-v4-flash",
   maxTokens: 500,
   temperature: 0.7,
 };
diff --git a/test/config.test.ts b/test/config.test.ts
index 3e4e3fb..0664ec8 100644
--- a/test/config.test.ts
+++ b/test/config.test.ts
@@ -25,12 +25,12 @@ describe("config", () => {
     const origModel = process.env.GAI_MODEL;
 
     process.env.GAI_API_BASE = "https://api.deepseek.com/v1";
-    process.env.GAI_MODEL = "deepseek-chat";
+    process.env.GAI_MODEL = "deepseek-v4-flash";
 
     const config = await loadConfig();
 
     expect(config.apiBase).toBe("https://api.deepseek.com/v1");
-    expect(config.model).toBe("deepseek-chat");
+    expect(config.model).toBe("deepseek-v4-flash");
 
     if (origBase) process.env.GAI_API_BASE = origBase;
     else delete process.env.GAI_API_BASE;