From d53bfa35c5c4334f015ca63ddc627e27c985decd Mon Sep 17 00:00:00 2001
From: X-iZhang <zacharyzhang2022@gmail.com>
Date: Tue, 2 Jun 2026 00:00:52 +0100
Subject: [PATCH] feat: update MiniMax model entries and context window for M3
 variant

---
 EvoScientist/config/onboard/steps.py | 3 ++-
 EvoScientist/llm/context_window.py   | 4 ++++
 EvoScientist/llm/models.py           | 3 ++-
 tests/test_llm.py                    | 5 +++--
 4 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/EvoScientist/config/onboard/steps.py b/EvoScientist/config/onboard/steps.py
index 248084c..f387657 100644
--- a/EvoScientist/config/onboard/steps.py
+++ b/EvoScientist/config/onboard/steps.py
@@ -243,7 +243,8 @@ def _step_provider(config: EvoScientistConfig) -> str:
         Choice(title="OpenAI (GPT models — API / OAuth)", value="openai"),
         Choice(title="Google GenAI (Gemini models)", value="google-genai"),
         Choice(
-            title="MiniMax (M2 — M2.7 models, 204K context, thinking)", value="minimax"
+            title="MiniMax (M2 — M3 models, up to 1M context, thinking)",
+            value="minimax",
         ),
         Choice(title="ZhipuAI (智谱 — GLM models)", value="zhipu"),
         Choice(
diff --git a/EvoScientist/llm/context_window.py b/EvoScientist/llm/context_window.py
index fe22dbc..a1d62b9 100644
--- a/EvoScientist/llm/context_window.py
+++ b/EvoScientist/llm/context_window.py
@@ -24,6 +24,10 @@ _KNOWN_MODEL_CONTEXT_WINDOWS: dict[str, int] = {
     "grok-4.3": 1_000_000,
     # Claude Haiku 4.5 — exception to the ``claude-`` family (200K, not 1M).
     "claude-haiku-4-5": 200_000,
+    # MiniMax M3 — 1M context (M2.x variants stay at provider default ~204K).
+    # Covers OpenRouter ``minimax/minimax-m3`` (via split('/')[-1]) and direct
+    # ``MiniMax-M3`` (via lowercased exact match).
+    "minimax-m3": 1_000_000,
 }
 
 # Family-level fallbacks: tried only after exact-name lookup misses.
diff --git a/EvoScientist/llm/models.py b/EvoScientist/llm/models.py
index a128f14..85a22d2 100644
--- a/EvoScientist/llm/models.py
+++ b/EvoScientist/llm/models.py
@@ -108,6 +108,7 @@ _MODEL_ENTRIES: list[tuple[str, str, str]] = [
     ("gemini-2.5-flash-lite", "gemini-2.5-flash-lite", "google-genai"),
     ("gemini-2.5-pro", "gemini-2.5-pro", "google-genai"),
     # MiniMax (direct API — Anthropic-compatible; default: api.minimaxi.com, global: api.minimax.io)
+    ("minimax-m3", "MiniMax-M3", "minimax"),
     ("minimax-m2.7", "MiniMax-M2.7", "minimax"),
     ("minimax-m2.7-highspeed", "MiniMax-M2.7-highspeed", "minimax"),
     ("minimax-m2.5", "MiniMax-M2.5", "minimax"),
@@ -142,7 +143,7 @@ _MODEL_ENTRIES: list[tuple[str, str, str]] = [
     ("gemini-3-flash", "google/gemini-3-flash-preview", "openrouter"),
     ("kimi-k2.6", "moonshotai/kimi-k2.6", "openrouter"),
     ("glm-5v-turbo", "z-ai/glm-5v-turbo", "openrouter"),
-    ("minimax-m2.7", "minimax/minimax-m2.7", "openrouter"),
+    ("minimax-m3", "minimax/minimax-m3", "openrouter"),
     ("mimo-v2.5-pro", "xiaomi/mimo-v2.5-pro", "openrouter"),
     ("mimo-v2.5", "xiaomi/mimo-v2.5", "openrouter"),
     ("grok-build-0.1", "x-ai/grok-build-0.1", "openrouter"),
diff --git a/tests/test_llm.py b/tests/test_llm.py
index d30781c..bd4ddb5 100644
--- a/tests/test_llm.py
+++ b/tests/test_llm.py
@@ -636,10 +636,11 @@ class TestMiniMaxProvider:
         assert "minimax" not in _OPENAI_ROUTED_PROVIDERS
 
     def test_minimax_models_registered(self):
-        """MiniMax should have 4 direct model entries in _MODEL_ENTRIES."""
+        """MiniMax should have 5 direct model entries in _MODEL_ENTRIES."""
         minimax_models = get_models_for_provider("minimax")
-        assert len(minimax_models) == 4
+        assert len(minimax_models) == 5
         model_names = {name for name, _ in minimax_models}
+        assert "minimax-m3" in model_names
         assert "minimax-m2.7" in model_names
         assert "minimax-m2.7-highspeed" in model_names
         assert "minimax-m2.5" in model_names