6,622 tools, each one opened, scored and signed by a Toolio reviewer

Cosine

Trains AI to write code, secure environments required.

Checked 4 Oct 2026 Reviewed by Alex Listed since September 2024

Screenshot of Cosine

At a glance

Starts at from $19 per month Price as published by the vendor, September 2026.
Free tier No
Platforms Web
Best for Organisations needing custom AI for secure coding.
Not for Generalist software developers

3.8 out of 5

Scored by Alex after real use

Our verdict

Cosine specializes in niche languages and secure environments. It excels at writing maintainable production code but can be expensive for smaller teams.

✓What it does well

SpecializationTrains models on specific niche languages like COBOL and Fortran.
Security FocusDesigned for air-gapped environments, ensuring secure code development.
CustomizationOffers custom models for precise project requirements.

✕Where it falls short

Generalist LimitationsDoes not perform well outside specialized coding tasks.
High CostsExpensive, starting at $19/month with additional credits needed for scaling.
Limited Mainstream SupportPrimarily supports niche and enterprise languages over mainstream ones.

Key features

CLI AccessWorks via terminal, supporting remote execution.
Cloud SolutionsAvailable in public cloud or private deployment models.
Multi-Agent OrchestrationSupports concurrent coding tasks and collaboration among teams.
Custom ModelsTailored to specific project needs.

Questions about Cosine

What does Cosine do?

Cosine trains AI to write code and specializes in niche languages and secure environments. It trains models on niche languages such as COBOL and Fortran, is designed for air-gapped environments, and offers custom models for precise project requirements. The reviewer says it excels at writing maintainable production code.

How much does Cosine cost?

Cosine has no free tier. The Starter plan costs $19 per month with 4M credits a month, the Team plan costs $199 per month with 47M credits, and the Enterprise plan costs $999 per month with 240M credits. Additional credits cost $6.50, $5.00 and $4.50 per 1M on those plans.

Is Cosine good for general software development?

No. The reviewer says Cosine does not perform well outside specialized coding tasks and primarily supports niche and enterprise languages over mainstream ones. Toolio lists it as not for generalist software developers and as best for organisations needing custom AI for secure coding.

Can Cosine run in a private deployment?

Yes. Cosine is available in public cloud or private deployment models and is designed for air-gapped environments. It also works via the terminal with CLI access that supports remote execution, and its multi-agent orchestration supports concurrent coding tasks and collaboration among teams.

How does Toolio score Cosine?

Alex scored Cosine 3.8 out of 5 after real use on 4 Oct 2026. The reviewer praises its specialization and security focus but notes it can be expensive for smaller teams. Toolio lists Obviously AI, HuggingFace, Vector DB Comparison and Document360 as alternatives.

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