Company · Directory listing
Diffblue
Diffblue Ltd · Oxford, United Kingdom · GB · 1 listing
Claim status: UNCLAIMED · No published reviews · Directory only — not ranked
Diffblue Testing Agent generates, verifies, and fixes unit tests autonomously across enterprise codebases. Unlike other AI coding agents, Diffblue is built for automatically generating tests at project-level scale. Diffblue Ltd trades as Diffblue, based in Oxford, United Kingdom, at diffblue.com. Named offerings include Diffblue Cover.
Company details
About Diffblue
Diffblue Testing Agent generates, verifies, and fixes unit tests autonomously across enterprise codebases. Unlike other AI coding agents, Diffblue is built for automatically generating tests at project-level scale. Diffblue Ltd trades as Diffblue, based in Oxford, United Kingdom, at diffblue.com. Named offerings include Diffblue Cover.
- Legal name
- Diffblue Ltd
- Headquarters
- Oxford, United Kingdom
- Markets
- —
- Company size
- —
Directory & rankings
Customer ranking
Directory only. This listing has no customer stars or ranked position.
- Software testing · Directory only · Free listing · ranking code packs from £200 ex VAT
0 customer relationships verified at V3+ · Trustmark assessment results never affect this order.
Listings
Products and services from Diffblue
One product is listed for this company. Functional classification, deployment and autonomy are descriptive attributes. Impact class remains a separate assurance result.
- Public JSON for website embeds
Diffblue Cover
From their website · not verified evidence
SOFTWARE PRODUCT · Software testing · Developer & Engineering
Secondary: Code generation
- Sectors
- Not specified
- Deployment
- SaaS, On-premise
- Capabilities
- Generation
- Autonomy
- ASSISTIVE
- Data exposure
- Not specified
What the vendor’s website says · supplier-provided, not verified evidence
Diffblue Cover is an autonomous unit test generator for Java. Using reinforcement learning rather than an LLM, Cover Core writes and maintains human-readable JUnit or TestNG tests across an entire application that compile, run and validate actual code behaviour, including edge cases, and updates them after each code change so coverage does not slip. Cover Optimize runs only the tests relevant to a change to cut test time locally and in CI, and Cover Reports shows coverage levels, coverage risk and testability. Diffblue states it runs locally or on premises behind the firewall, so code does not leave the customer's environment.
Verified claims
- Domain associated with this organisation: Yes
- Claim status: UNCLAIMED
- Last verified:
What we have not verified
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The organisation description above is supplier-provided unless a specific statement is listed as verified.
Products assessed
No assessed products are listed on this profile yet.
Customer experience
No published reviews yet. Review screenshots appear only with a qualifying Verity review; directory thumbnails from a vendor website are not review evidence.
Customer stories
No consented, relationship-verified customer stories yet.
FAQs
What does Diffblue do?
Diffblue Testing Agent generates, verifies, and fixes unit tests autonomously across enterprise codebases. Unlike other AI coding agents, Diffblue is built for automatically generating tests at project-level scale. Diffblue Ltd trades as Diffblue, based in Oxford, United Kingdom, at diffblue.com. Named offerings include Diffblue Cover.
What AI services or products does it provide?
Diffblue Cover
Which AI categories does it operate in?
Software testing
Has Diffblue been independently assessed by AI TrustMark?
No independent assessment result is published. Current listing status: Directory listing.
What procurement or assurance information is available?
Company identity, category assignment and any published certificates or assessment summaries appear on this page. Absence of a field means it has not been evidenced here.
Last verified:
Methodology version: See current methodology
Why complete verification
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