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CAD · head to head

ANSYS Fluent vs KeyShot

ANSYS Fluent logo

ANSYS Fluent

CAD

Computational fluid dynamics solver for turbulence, combustion and multiphase flow

From
On request
Rated
-
Full reviewWebsite
KeyShot logo

KeyShot

CAD

Real-time 3D rendering and animation

From
$1299/year
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: ANSYS Fluent solver seats and HPC packs are licensed separately, and the packs scale by core count, so the cost of running a large case in parallel can exceed the base licence several times over and is the line item that surprises first-time buyers.; KeyShot professional plan costs £108.25/month per user; total cost for small teams can be substantial
  • They diverge on capability: ANSYS Fluent covers Turbulence model library, KeyShot covers Real-time rendering.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which ANSYS Fluent and KeyShot actually diverge.

Attributes where ANSYS Fluent and KeyShot differ
AttributeANSYS FluentKeyShot
Starting priceOn request$1299/year
Pricing modelquotesubscription
PlatformsWindows, LinuxWindows
FoundedUnknown2003

Identical on both: free tier (No), user rating (Not yet rated), category (CAD).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in ANSYS Fluent

  • Turbulence model library
  • Combustion and reacting flow
  • Multiphase flow
  • Meshing
  • HPC parallel solving
  • Fluent aero and native GPU solver
  • Ansys Workbench integration
  • User-defined functions

Only in KeyShot

  • Real-time rendering
  • Ray tracing
  • Animation
  • Material library
  • HDR lighting
  • VR output
  • GPU rendering
  • Denoising

What people use each for

The jobs each tool is most often brought in to do.

ANSYS Fluent

  • Certifying an aerospace component where the customer specification names a validated commercial CFD solvernot KeyShot
  • Predicting thermal performance of a data centre or electronics enclosure before committing to a mechanical designnot KeyShot
  • Combustion analysis for a gas turbine or industrial burner where detailed chemistry models are requirednot KeyShot
  • A consultancy that must hand a client an auditable analysis in a tool the client's own engineers can reopennot KeyShot

KeyShot

  • Product rendering and visualisationnot ANSYS Fluent
  • Real-time ray tracing for design reviewnot ANSYS Fluent
  • 3D animation and motion graphicsnot ANSYS Fluent
  • Interactive 3D product presentationsnot ANSYS Fluent

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

ANSYS Fluent

  • Solver seats and HPC packs are licensed separately, and the packs scale by core count, so the cost of running a large case in parallel can exceed the base licence several times over and is the line item that surprises first-time buyers.
  • Ansys does not publish any pricing, and quotes vary widely by region, industry and negotiating position, so a smaller firm has no way to know whether it is being charged fairly relative to a large account.
  • Synopsys completed its acquisition of Ansys in July 2025 and started shipping combined capabilities in 2026; packaging, bundling and account teams are changing, and buyers on multi-year agreements should expect renewal terms to be renegotiated on a different basis.
  • Getting trustworthy results demands genuine CFD expertise in meshing, turbulence model selection and convergence assessment, so the licence is useless without a specialist, and the specialist is harder to hire than the software is to buy.
  • Licences are typically served from a network licence manager, which means concurrent-use contention inside a busy simulation group; engineers queue for solver tokens, and organisations end up buying spare seats purely to avoid the queue.

KeyShot

  • Professional plan costs £108.25/month per user; total cost for small teams can be substantial
  • 3-year commitment reduces to £3,897 per user, but locks in pricing for extended period
  • Network Rendering, Studio VR, and Cloud Rendering are paid add-ons (£29-£99/month additional)
  • No clear platform support information; likely Windows-only based on CAD tool integrations

Pricing, plan by plan

ANSYS Fluent

On request
  • Ansys Fluent$undefined/year
    • Annual lease or paid-up perpetual licence
    • Solver seats licensed separately from HPC parallel packs
    • HPC packs priced by core count and scale multiplicatively

KeyShot

$1299/year
  • KeyShot Professional$1299/year
    • Non-transferable individual seat license
    • Complete 3D visualization toolkit
    • AI capabilities included
  • KeyShot Business$1599/year
    • Transferable individual seat licenses
    • Centralized seat management
    • Network Rendering options
  • KeyShot Enterprise$null/year
    • Custom billing options and flexible terms
    • Single Sign-On (SSO)
    • Dedicated Customer Success Manager

Which should you pick?

Choose ANSYS Fluent if

  • You need turbulence model library.
  • You work on Windows, Linux.
  • You also want combustion and reacting flow.
ANSYS Fluent review

Choose KeyShot if

  • You need real-time rendering.
  • You work on Windows.
  • You also want ray tracing.
KeyShot review

Questions people ask

Is ANSYS Fluent or KeyShot better?
Neither clearly leads. ANSYS Fluent starts at On request and KeyShot at $1299/year, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ANSYS Fluent or KeyShot?
ANSYS Fluent starts at On request and KeyShot at $1299/year.
Does ANSYS Fluent or KeyShot run on more platforms?
ANSYS Fluent runs on Windows, Linux. KeyShot runs on Windows.
What is ANSYS Fluent best used for?
ANSYS Fluent is most often used for certifying an aerospace component where the customer specification names a validated commercial cfd solver, predicting thermal performance of a data centre or electronics enclosure before committing to a mechanical design, combustion analysis for a gas turbine or industrial burner where detailed chemistry models are required, a consultancy that must hand a client an auditable analysis in a tool the client's own engineers can reopen. Of those, certifying an aerospace component where the customer specification names a validated commercial cfd solver and predicting thermal performance of a data centre or electronics enclosure before committing to a mechanical design are not what KeyShot is typically brought in for.
What can ANSYS Fluent do that KeyShot cannot?
ANSYS Fluent covers Turbulence model library, Combustion and reacting flow, Multiphase flow, Meshing. KeyShot covers Real-time rendering, Ray tracing, Animation, Material library.

Answered from the vendors’ own pages

ANSYS Fluent: How much does Fluent cost?

Ansys does not publish pricing. Expect an annual lease per solver seat plus separately licensed HPC packs for parallel cores, with the total for a serious capability running into six figures a year.

KeyShot: What is the difference between KeyShot Professional and Business licenses?

Professional ($1,299/year) is for individual designers with non-transferable seats. Business ($1,599/year) includes transferable seats, centralized management, and is designed for team use. Professional does not include network rendering options.

Source
ANSYS Fluent: Is Fluent still an Ansys product?

Yes, but Ansys is now part of Synopsys following the acquisition that completed in July 2025, and the two portfolios are being combined.

KeyShot: Can I pay monthly for KeyShot instead of annually?

No, KeyShot pricing is structured around annual subscriptions. Professional is $1,299/year ($108.25/month equivalent) and Business is $1,599/year ($133.25/month equivalent). 3-year terms offer lower per-year costs.

Source
ANSYS Fluent: Can OpenFOAM do the same job?

Numerically it can cover a lot of the same physics at no licence cost, but it lacks the meshing workflow, support and the validation pedigree that certification and customer specifications often require.

KeyShot: What add-on costs should I budget for KeyShot Studio VR?

KeyShot Studio VR costs $99/month or $1,188/year separately. Network Rendering is $32/month ($384/year) and NX Plugin is $29/month ($348/year).

Source
ANSYS Fluent: Is there a free version?

There is a student edition with cell count limits, suitable for learning but not for production work.

KeyShot: Is educational pricing available for KeyShot?

Yes, KeyShot offers EDU tier licensing for eligible students and faculty at $95/year, providing access to identical core features and AI capabilities as paid plans.

Source
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