GRM-2.6-Plus is a 27B-parameter reasoning model built for general-purpose AI and optimized for difficult, high-complexity tasks. It is designed to deliver stronger performance for its size while remaining practical, efficient, and accessible for advanced local and research-oriented use.
The model focuses on structured reasoning, helping it produce more accurate, coherent, and reliable responses across demanding problems. GRM-2.6-Plus brings elite-level reasoning to complex workloads, making it suitable for users who need a capable model for advanced problem-solving, coding, agents, and everyday intelligence.
2. Key Capabilities
Elite-Level Reasoning for Hard Tasks: GRM-2.6-Plus is optimized to handle difficult reasoning workloads with clarity, consistency, and strong step-by-step problem-solving ability.
High Performance for Its Size: With 27B parameters, the model is designed to deliver excellent capability relative to its scale, balancing strong intelligence with practical deployment.
Advanced Coding and Agentic Use: GRM-2.6-Plus is well suited for code generation, structured problem-solving, tool-style workflows, and local agentic applications.
Optimized for Practical Deployment: The model aims to remain efficient and usable across capable consumer and workstation hardware while offering strong performance for advanced tasks.
3. Performance
GRM-2.6-Plus is designed to be a highly capable 27B local AI model for complex reasoning, coding, everyday chat, and agentic workflows. It focuses on delivering better performance for its size, making it a strong option for users who want powerful reasoning without relying only on massive-scale models.
Its core strength is practical intelligence: elite-level reasoning, strong task understanding, stable responses, and the ability to handle difficult problems across multiple domains.
GRM-2.6-Plus
Qwen3.6-27B
google/gemma-4-31B-it
GPT-5.4-Mini
Claude-4.5-Haiku
Knowledge & STEM
MMLU-Pro
86.8
86.2
85.2
--
80.0
MMLU-Redux
94.2
93.5
93.7
--
--
C-Eval
92.0
91.4
82.6
--
--
GPQA Diamond
88.3
87.8
84.3
88.0
73.0
SuperGPQA
66.4
66.0
65.7
--
--
Reasoning & Coding
LiveCodeBench v6
84.8
83.9
80.0
--
51.1
HMMT Feb 26
84.8
84.3
77.2
--
--
AIME26
95.1
94.1
89.2
--
--
General Agent
SWE-bench Verified
77.7
77.2
52.0
--
73.3
SWE-bench Pro
54.0
53.5
35.7
54.4
--
Terminal-Bench 2.0
59.8
59.3
42.9
60.0
41.0
4. Family
The GRM-2.6 family is available in various sizes to suit every case.
Model
Size
Domain
GRM-2.6-Plus
27B
Powerful model for extremely difficult tasks
GRM-2.6
9B
Powerful on-device deployment for difficult tasks
GRM-2.6-Air
2B
Any-device deployment for everyday chat
5. Architecture
GRM-2.6 is built on the Qwen3.6 architecture and is optimized for complex tasks, agent environments, and everyday chat.
GRM-2.6 applies the same principle to a stronger, larger foundation, resulting in a model that punches above its weight class on structured reasoning tasks while remaining deployable on consumer hardware.
6. Quick start
Before starting, make sure it is installed and the API key and the API base URL is configured, e.g.:
shell
1pip install -U openai
23# Set the following accordingly4exportOPENAI_BASE_URL="http://localhost:8000/v1"5exportOPENAI_API_KEY="EMPTY"
Text-Only Input
python
1from openai import OpenAI
2# Configured by environment variables3client = OpenAI()45messages =[6{"role":"user","content":"Create an calculator in a single HTML file backwards"},7]89chat_response = client.chat.completions.create(10 model="OrionLLM/GRM-2.5-Plus",11 messages=messages,12 max_tokens=81920,13 temperature=1.0,14 top_p=0.95,15 presence_penalty=0.0,16 extra_body={17"top_k":20,18},19)20print("Chat response:", chat_response)
GRM-2.6-Plus is developed by OrionLLM and released under the Apache 2.0 License.
