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Description

GLM-5.3 is Z.ai’s advanced coding and agentic reasoning model built through scaled post-training on top of the GLM-5.2 base model. The release focuses on frontier coding, long-horizon software engineering, agent tasks, cyber evaluation, and reinforcement learning at scale. GLM-5.3 improves significantly over GLM-5.2 on complex coding benchmarks, real-world engineering environments, Terminal Bench 3.0, DeepSWE, Agents’ Last Exam, and Z.ai’s internal Code Bench. The model is trained on environments that resemble real professional work, including tasks involving codebases, infrastructure, documentation, compute clusters, experiments, bottleneck diagnosis, implementation, testing, and measurable optimization. Z.ai’s post-training stack includes IndexShare for efficient long-context processing, SAO for reinforcement learning on long-horizon tasks, and slime for large-scale asynchronous training. GLM-5.3 supports three thinking effort levels, including low, high, and max, with max recommended for coding tasks. The model also demonstrates emergent cyber capabilities across vulnerability discovery and exploitation benchmarks, prompting continued safety evaluation and hardening before weights are released. GLM-5.3 can be used through the GLM Coding Plan, ZCode, Claude Code, OpenCode, and other coding agent workflows. By combining stronger coding performance, long-horizon task execution, post-training scale, cyber evaluation, reasoning effort controls, and coding-agent integrations, GLM-5.3 supports advanced developer and research workflows.

Description

Overmind serves as a comprehensive platform for the training and deployment of AI agents, catering specifically to teams engaged in this field. It processes production traces via OpenTelemetry, generating datasets from various sources including trace data, file uploads, and integrations with Langfuse, LangSmith, Braintrust, and Galileo. Teams have the capability to analyze agent context and performance in real-time, prepare and assess datasets, and test prompts and models against their tailored examples, all while refining agent behavior through evaluated modifications. The platform facilitates both LoRA and complete fine-tuning of open-weight models, offering benchmarking with custom evaluators and deployment through an OpenAI-compatible endpoint; additionally, users have the option to download trained weights. Furthermore, users can opt to engage with the hosted console or deploy the platform within their own infrastructure using Docker Compose. Designed for AI engineering and product teams managing agents in live environments, Overmind empowers users to effectively experiment, enhance, and customize models with their proprietary data for optimized outcomes. This flexibility ensures that teams can adapt their workflows according to their specific needs and preferences.

API Access

Has API Yes 

API Access

Has API Yes 

Screenshots View All

Screenshots View All

Integrations

Claude Code Yes 
Cursor Yes 
Amp Yes 
Braintrust No 
Cheaper Inference Yes 
Dessix Yes 
Go Yes 
Hermes Agent Yes 
LM Studio Yes 
LangSmith No 
Langfuse No 
Ollama Yes 
OpenClaw Yes 
Roo Code Yes 
SQL Yes 
Sup AI Yes 
Together AI Yes 
TypeScript Yes 
Z.ai Yes 
ZCode Yes 

Integrations

Claude Code Yes 
Cursor Yes 
Amp No 
Braintrust Yes 
Cheaper Inference No 
Dessix No 
Go No 
Hermes Agent No 
LM Studio No 
LangSmith Yes 
Langfuse Yes 
Ollama No 
OpenClaw No 
Roo Code No 
SQL No 
Sup AI No 
Together AI No 
TypeScript No 
Z.ai No 
ZCode No 

Pricing Details

Free
Open source
Free Trial No 
Free Version Yes 

Pricing Details

Free
Free plan: $0/month, with fair-use OTLP ingest, up to 10 optimization runs, 5 evaluation runs, 2 training jobs, and 2 deployment jobs per month, plus 5 projects and a $40 one-time credit. Pro: $120/month with higher limits, unlimited projects, optimization runs, evaluation runs, training jobs, and deployment jobs. Enterprise pricing is custom.
Free Trial No 
Free Version Yes 

Deployment

Web-Based Yes 
On-Premises Yes 
iPhone App No 
iPad App No 
Android App No 
Windows Yes 
Mac Yes 
Linux Yes 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises Yes 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs No 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

Z.ai

Founded

2023

Country

China

Website

z.ai/

Vendor Details

Company Name

Overmind

Founded

2025

Country

United Kingdom

Website

www.overmindlab.ai

Product Features

Alternatives

Alternatives

No Alternatives
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