Sandboxed cloud execution infrastructure for AI agents to safely run code in under 90ms, across Python, TypeScript, Go, Ruby and Java.
daytona.io
Alternatives to
E2B
Best alternatives to E2B in 2026
When an AI assistant writes code and then needs to actually run it — to check it works, plot a chart, or process a file — that code has to execute somewhere. Running untrusted, AI-generated code directly on your own computer or servers is risky: a bug or a bad instruction could delete files or make unwanted network calls. E2B is a disposable, locked-down computer in the cloud that spins up in a fraction of a second, runs that code safely away from anything important, and then disappears. E2B provides secure, ephemeral cloud sandboxes built on Firecracker microVMs — the same lightweight virtualization technology AWS Lambda uses — with sandbox startup times under 200 milliseconds. It ships Python and TypeScript SDKs, supports session durations up to 24 hours on paid tiers, and gives sandboxes real internet access and a terminal, which is what lets an AI agent actually browse, install packages, and interact with tools instead of running in total isolation. The core SDK is open source, and E2B also offers bring-your-own-cloud, on-premises and self-hosted deployment options for teams with stricter compliance needs. Pricing starts free with $100 in usage credits, moves to a Pro plan at $150/month plus usage, and scales to custom Enterprise pricing.
Quick comparison of E2B alternatives
| # | Tool | Best for | Price |
|---|---|---|---|
| 1 | Teams building AI coding agents, LLM code interpreters, or automation platforms that need to safely execute AI-generated code | Companies building data-analysis or automation copilots | — | |
| 2 | AI/ML engineers | Data scientists | Platform teams | — | |
| 3 | Développeurs | — | |
| 4 | Enterprise customers, SaaS developers and voice-agent builders needing phone-based AI agents | — | |
| 5 | Enterprise organizations and foundation model builders needing multimodal data annotation | — | |
| 6 | AI developers, researchers and companies training and serving ML models without long procurement cycles | — | |
| 7 | Enterprises in fintech, healthcare and hospitality needing natural, multilingual conversational voice AI | — | |
| 8 | Support and sales teams in healthcare, financial services, insurance, logistics, retail and hospitality | — | |
| 9 | Hyperscalers, regulated enterprises, frontier AI labs, startups, researchers and government | — | |
| 10 | Frontier AI labs, research teams and enterprises building AI agents and robotics systems | — | |
| 11 | Data scientists and AI/ML teams running multiple large-scale annotation projects in parallel | — | |
| 12 | Computer vision and physical AI/robotics teams needing to label video, 3D/LiDAR and multi-sensor data | — |
#1
- ✓ Sub-90ms sandbox creation, purpose-built for agentic code-execution workflows
- ✓ Open source (AGPL) with a large, active GitHub community (72k+ stars)
#2
Serverless cloud platform that runs Python code, including AI model training and inference, on GPUs with sub-second startup and pay-per-second billing.
modal.com
- ✓ Sub-second cold starts even for large GPU-backed containers
- ✓ Pay-per-second, zero charge for idle compute
#4
Developer platform that wires together speech recognition, an AI model and speech generation into a working phone-answering voice agent.
vapi.ai
- ✓ Bundles STT, LLM, TTS and telephony into one platform
- ✓ Sub-500ms latency target for natural phone conversations
#5
Data annotation and evaluation platform that turns raw images, video, text and audio into labeled datasets for training and fine-tuning AI models.
superannotate.com
- ✓ Multimodal annotation across images, video, text and audio
- ✓ Built-in integrations with major cloud data warehouses
#6
Pay-by-the-second GPU cloud for training and running AI models, with no contracts and fast serverless cold starts.
runpod.io
- ✓ Self-serve with no contracts or minimum commitments
- ✓ Sub-200ms serverless cold starts
#7
Text-to-speech API built by linguists for hundreds of natural-sounding voices across 50+ languages, tuned for real conversation, not audiobooks.
rime.ai
- ✓ 600+ voices across 50+ languages and regional dialects
- ✓ Deterministic pronunciation controls for proper nouns/technical terms
#8
No-code-friendly platform for building AI phone agents that handle customer service and sales calls, with drag-and-drop configuration.
retellai.com
- ✓ Drag-and-drop configuration, accessible to non-engineers
- ✓ ~600ms latency target for natural conversation
#9
GPU cloud built for AI research and production, scaling from a single rented GPU up to superclusters with over 165,000 GPUs.
lambda.ai
- ✓ Scales from single GPU rentals to 165,000+ GPU superclusters
- ✓ Research-first origins with strong credibility among AI labs
#10
Data platform for labeling, curating and generating human feedback to train and fine-tune AI models, including reinforcement learning workflows.
labelbox.com
- ✓ RL and human-feedback infrastructure (Horizon, Recursion) beyond basic labeling
- ✓ Large network of contracted expert reviewers for quality human feedback
#11
Data annotation platform built for organizations running many labeling projects at once across images, video, text, PDF and geospatial data.
kili-technology.com
- ✓ Built for managing many concurrent annotation projects at once
- ✓ Distinctive geospatial data annotation support
#12
Platform for labeling, organizing and quality-checking the images, video and sensor data used to train computer vision and robotics AI models.
encord.com
- ✓ Native video, LiDAR and 3D/spatial annotation support
- ✓ Multi-sensor dataset orchestration for robotics/autonomous systems
FAQ about E2B alternatives
- What is the best alternative to E2B in 2026?
- Based on our selection, Daytona is the best alternative to E2B in 2026. Sandboxed cloud execution infrastructure for AI agents to safely run code in under 90ms, across Python, TypeScript, Go, Ruby and Java.. See our full ranking above to compare all options.
- Is E2B free?
- E2B is a paid tool. Several alternatives in our selection offer free or freemium versions.
- How many alternatives to E2B are there?
- mySelectas has listed 12 alternatives to E2B in the AI & Machine Learning category. Our selection is updated regularly to include the best options available.