Based only on the facts in our directory. The right pick still depends on the job you need done.
Lower starting price
Not comparable
Not comparable: E2B does not list a price
Free plan
Tie
Both have one
Higher rating
Together AI
4.2 against 4.3
Same job?
Yes
Both are AI Infrastructure & Agent Tooling tools
Side by side
Compared on
E2B
Together AI
Our rating
4.2
4.3Better
Starts at
Free
Free
Free plan
Yes
Yes
Category
AI Infrastructure & Agent Tooling
AI Infrastructure & Agent Tooling
Plans
HobbyFree
Pro$150/mo
UltimateCustom
Serverless InferencePay-per-token
Dedicated InferenceFrom $5.49/GPU-hr
GPU ClustersFrom $3.99/GPU-hr
Key features
Isolated cloud sandboxes for AI agents to execute code safely
Full development environments an agent can run and test inside
88% of Fortune 100 companies reported using E2B's infrastructure
$21M Series A led by Insight Partners in July 2025
Usage-based pricing around sandbox compute time and concurrency
Platform for training, fine-tuning, and running open-source AI models at scale
Usage-based pricing per token or GPU-hour depending on the service
$1.15B in annual bookings as of mid-2026
$8.3B valuation after an $800M Series C in July 2026
Customers include Cursor, Cognition, and Decagon
Pros
Isolates agent-executed code away from production systems and infrastructure
Strong enterprise adoption validates reliability at serious scale
Recent, well-backed funding round supports continued platform investment
Strong focus on open-source models reduces dependence on closed providers
Massive, fast-growing customer base including major AI companies
Free tier lowers the barrier to testing before committing to production spend
Cons
Usage-based compute pricing can add up for high-concurrency agent workloads
Younger company, founded 2023, with a shorter track record than legacy infrastructure providers
Adds a dedicated sandbox layer that some simpler agent projects may not need
Usage-based pricing requires careful monitoring at production scale
Open-model focus means less access to the newest closed frontier models directly
Best suited to teams with in-house ML engineering capacity to fine-tune models
Company
E2B, founded 2023
Together AI, founded 2022
Prices come from each vendor's pricing page, last checked 20260715. Check the vendor before you buy.
FAQ
Questions people ask
Is E2B better than Together AI?
In our reviews E2B scores 4.2 and Together AI scores 4.3. The better pick depends on the job. E2B: Sandboxed cloud environments now used by 88% of the Fortune 100. Together AI: Crossed $1.15B in annual bookings, serving Cursor and Cognition among its customers.
Together AI
E2B
