Overmind is a Developer tools tool: Open-source loop that turns AI agent traces into models you own.

How much does Overmind cost?

Overmind is Open source; there is no mandatory paid plan.

What are the best alternatives to Overmind?

Community-listed alternatives to Overmind include Tessary, CloudKnife, Navige, Polylane.

What does Overmind integrate with?

Overmind integrates with OpenTelemetry, Claude Code, Cursor, Codex, OpenRouter, Hugging Face and more.

Which platforms does Overmind support?

Overmind is available on web, linux.

Overmind

Open-source loop that turns AI agent traces into models you own

Open source · $120Uptime & monitoring Developer tools

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Overmind is a developer tools tool for Developers and Small businesses, offered as open source ($120/mo). Based in United Kingdom. Popular alternatives include Tessary, CloudKnife, Navige.

About Overmind

Overmind is an open-source platform from Overmind Technology Ltd. in London, founded by CEO Tyler Edwards and COO Sam Brunt, backed by investors including Antler. It takes the production traces of an AI agent and runs a continuous improvement loop on them: trace, build datasets, evaluate, optimize prompts and code, fine-tune smaller models and serve them.

Tracing uses OpenTelemetry and scores traces as they arrive, with root-cause views of the failing step. A Data Workshop keeps versioned datasets, user-defined evals run on live traffic, and optimizers return the winning prompt, tool or code change as a git diff. Fine-tuning trains small open models benchmarked against your current one, and inference serves models behind one OpenAI-compatible API. The platform is AGPL-3.0 and self-hostable with Docker Compose; the hosted service has Free, Pro and Enterprise plans.

It fits engineering teams with agents already in production who want lower cost and better accuracy without vendor lock-in. Langfuse and LangSmith focus on tracing and evals, and Datadog adds LLM observability to a broad monitoring suite, while Overmind continues into fine-tuning and serving. The jump from Free to $120 Pro is steep, there is no annual plan, and self-hosting relies on services such as Modal, OpenRouter and Hugging Face.

Overmind launched on Product Hunt on October 27, 2026 and finished #2 of the day. Buying tip: point it at one agent with clear success criteria, use the $50 credit to compare a fine-tuned model with your current one, then decide on Pro.

Key features of Overmind

OpenTelemetry tracing with scores applied to traces as they arrive
Root-cause views that isolate the failing step, tool call or context
Data Workshop with versioned datasets built from production traffic
User-defined evals running on live traces
Optimizers that return prompt, tool or code fixes as git diffs
Fine-tuning of small open models with downloadable weights
OpenAI-compatible inference API for custom and frontier models
Python SDK, CLI and MCP setup inside coding agents

Pros and cons

Pros

Open source and self-hostable, with weights you keep
Covers the full loop from tracing to serving in one product
Fixes arrive as reviewable git diffs instead of opaque changes
Free plan includes unlimited evals and a $50 credit
Works alongside existing Langfuse or LangSmith setups

Cons

Large jump from Free to the $120 Pro plan
No annual pricing on the hosted service
AGPL-3.0 limits closed redistribution of the platform
Self-hosting depends on Modal, OpenRouter, AWS and Hugging Face
Hosted plans offer no free trial beyond the $50 credit

Overmind pricing

Overmind uses a open source model.

Plan	Price	Includes
Free	$0 / mo	10 optimize runs, 2 training jobs/mo, 5 projects, $50 one-time credit
Pro	$120 / mo	Unlimited optimize runs, training, deploys and projects
Enterprise	Custom	SSO, dedicated support, custom onboarding, usage contracts
Self-hosted	$0	AGPL-3.0 platform via Docker Compose; SDK and CLI under MIT

Source: overmindlab.ai · checked on Oct 28, 2026

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How Overmind compares in Developer tools

Rank by votes: #2 / 65
Starting price: $120
Free alternatives: 15

Overmind ranks #2 of 65 developer tools tools by community votes and is priced above most tools in the category.

Common use cases

1Cutting inference cost by replacing a frontier model with a fine-tuned small one
2Finding which tool call causes an agent's failures in production
3Running regression evals on live traffic after each prompt change
4Generating prompt and code fixes as pull-request-ready diffs
5Self-hosting the whole improvement loop for data-sensitive workloads

Best for

Engineering teams with agents in production that want to improve accuracy and cost and keep ownership of the models.

Not ideal for

Teams that only need LLM tracing inside a broader monitoring stack (Datadog) or have no production traffic yet.

Integrations

OpenTelemetry
Claude Code
Cursor
Codex
OpenRouter
Hugging Face
Langfuse
LangSmith

Our take

Overmind is a strong open-source option for teams ready to move from watching agent traces to acting on them, especially with fine-tuning in scope. Start on the free tier or self-host, and move to Pro once the optimize and training limits actually bind.

FAQ

What is Overmind?: Overmind is a Developer tools tool: Open-source loop that turns AI agent traces into models you own.
How much does Overmind cost?: Overmind is Open source; there is no mandatory paid plan.
What are the best alternatives to Overmind?: Community-listed alternatives to Overmind include Tessary, CloudKnife, Navige, Polylane.
What does Overmind integrate with?: Overmind integrates with OpenTelemetry, Claude Code, Cursor, Codex, OpenRouter, Hugging Face and more.
Which platforms does Overmind support?: Overmind is available on web, linux.
Who is Overmind for?: Engineering teams with agents in production that want to improve accuracy and cost and keep ownership of the models.

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