Compare

Aura vs Unity AI vs Summer Engine

Pick up to three tools. Prices are read from each official pricing page and shown per month.

Unity AI is the cheapest to start, at $10 a month.

Key differences

  • All three have a free plan, so you can try each before paying.
  • Cheapest paid plan: Unity AI Personal add-on at $10/mo, against Aura Indie at $20/mo and Summer Engine Pro at $20/mo.
  • Over a year that's $120 less on Unity AI than Summer Engine at the entry level.
  • Paying yearly for Aura Indie saves $120 a year (50%).
  • No price changes recorded for any of these in the last six months.

Worked out from each official pricing page: Aura pricing · Unity AI pricing · Summer Engine pricing.

AttributeAuraUnity AISummer Engine
CategoryGame developmentGame developmentGame development
Good forgame development, coding, testing, automationgame development, coding, automationgame development, coding, 3d models, app building
Starts at$20/mo$10/mo$20/mo
Free planYesYesYes
Free tier limits2-week free trial with unlimited Auto Mode usage and $10 premium credit; no card needed.Unity Personal users get a 14-day free trial of the in-editor assistant; the CLI, MCP server and plugins are free.Free app with limited hosted AI, manual game creation and export, and MCP connection.
Free plan detailsCard needed: noNot stated on the pricing pageNot checked yet
The catch
  • Super mode with max reasoning only available on Pro and Ultimate tiers
  • Unlimited Auto Mode usage requires training to be enabled
  • In-editor assistant requires credits to use beyond free trial
  • CLI, MCP server, and official plugin are free but have separate pricing from subscriptions
Not checked yet
Pricing modelFree trialFree trialFree plan + paid
Key features
  • Unreal Engine 5.4-5.8 and Unity 2022.3+ support
  • Builds then playtests its own work (Unreal only)
  • Blueprint, C++ and C# editing
  • Unlimited usage in Auto Mode on paid plans
  • Project-aware assistant in the Unity Editor
  • Choice of AI models per task
  • Free MCP server for external agents (Unity 6+)
  • Unity CLI for terminal workflows
  • Build games from natural-language requests
  • Reviewable GDScript output
  • Compatible with Godot 4
  • Asset generation: 3D, images, audio, video
All plans
  • Indie$20
  • Pro$40
  • Ultimate$200
  • Enterprise— yr
  • Personal add-on$10
  • Unity Pro / Enterprise— yr
  • FreeFree
  • Pro$20
  • Pro+$60
  • Ultra$200
PopularityTop 200,000 website worldwide (Cloudflare Radar)Top 5,000 website worldwide (Cloudflare Radar)Top 200,000 website worldwide (Cloudflare Radar)
Last price changeNone recordedNone recordedNone recorded
Visit AuraVisit Unity AIVisit Summer Engine

The Weekly Tally

Useful updates, insights and no-hype advice. Read this week's digest.

One email a week. Unsubscribe in one click.