Comparison

Together AI vs vLLM

On the evidence we track, Together AI leads this comparison with a composite score of 77/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★Together AI77
vLLM64
Score
vioscaleAI score
Together AI77 / 100medium · 59%
vLLM64 / 100medium · 58%
Pricing
Free tier
Together AI✓
vLLM✓
Model
Together AIfreemium
Price level
Together AIlow
vLLMfree
Starting price
Together AI$0.00
vLLM–
Transparent
Together AI✓
vLLM✓
Integrations
Count
Together AI–
vLLM29
Security
Disclosure policy
Together AI✓
vLLM–
Gdpr
Together AI✓
vLLM–
Iso27001
Together AI✓
vLLM–
Soc2
Together AI✓
vLLM–
Reliability
Sla pct
Together AI99
vLLM–
Status page
Together AI✓
vLLM–
Adoption
Dependent repos
Together AI–
vLLM5
Github stars
Together AI–
vLLM93,797
Package downloads weekly
Together AI–
Activity
Commits last 30d
Together AI–
vLLM100
Release
Cadence days
Together AI–
vLLM12
History
Together AI–
License
Spdx
Together AI–
Language
Primary
Together AI–
vLLMPython
Content
Faq
Together AI6 items

Capabilities

Feature-by-feature on the axes that matter for mlops & llmops tools. “-” means undocumented, not absent.

Core
Tool role
Together AIEnd-to-end ML platform
vLLMModel serving
Deployment
Self-hostable / OSS core
Together AI✗
vLLM✓
Managed cloud available
Together AI✓
vLLM✗
On-prem / VPC deployment
Together AI✓
vLLM✓
Observability
LLM tracing / observability
Together AI✗
vLLM✓
Evaluation (offline / LLM-judge / human)
Together AI✓
vLLM-
Dev
Prompt management + versioning
Together AI✗
vLLM-
Tracking
Experiment tracking / model registry
Together AI✗
vLLM-
Serving
Model serving / inference endpoint
Together AI✓
vLLM✓
Interop
OpenTelemetry / OpenLLMetry compatible
Together AI✗
vLLM✓
Framework-agnostic
Together AI✓
vLLM✓
Gateway
Multi-provider model support
Together AI✓
vLLM✓
Data
No-train-on-customer-data guarantee
Together AIYes
vLLM-

What each one is

The product in its own terms, so the numbers below have context.

Together AI

Leader

Together AI provides cloud infrastructure for deploying, fine-tuning, and training open-source AI models. It offers flexible deployment options including serverless inference, batch processing, reserved throughput, and dedicated GPU instances with optimized performance and cost efficiency.

Independently observed

vLLM

A production-grade inference engine designed for efficient serving of large language models with support for distributed deployment, GPU acceleration, and multi-model endpoints.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Together AI

Leader
from $0.00/million tokensUsage-basedFree tier

Pay-per-token usage starting from $0.0015 per 1M tokens. Free tier available. Dedicated instances and reserved throughput available upon request.

  • BuildFree
    • Discord community support
  • ScaleFrom $0.0015 per 1M tokens
    • Serverless inference
    • Batch API
    • Standard Support (business hours)
  • EnterpriseContact sales
    • Provisioned throughput
    • Dedicated GPU instances
    • Silver/Gold Support
    • Dedicated support engineer
as of verify ↗

vLLM

Open sourceFree tier
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Together AI✓
vLLM✗
Linux
Together AI✗
vLLM✓
CLI
Together AI✓
vLLM✓
Deployment
Cloud / SaaS
Together AI✓
vLLM✓
Self-hosted
Together AI✗
vLLM✓
On-premise
Together AI✗
vLLM✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Together AI

Leader

Not documented yet.

vLLM

33 total
  • Hugging Face
  • NVIDIA Dynamo
  • OpenAI-compatible API
  • Anthropic Messages API
  • FlashAttention
  • FlashInfer
  • CUTLASS
  • torch.compile
  • gRPC
  • GPTQ
  • AWQ
  • GGUF
  • ModelOpt
  • TorchAO
  • OpenAI API
  • Kubernetes
  • PyTorch
  • Ray
  • OpenTelemetry
  • Prometheus
  • FastAPI
  • Transformers
  • Outlines
  • Google Cloud TPU
  • +9 more
Independently observed
Still deciding?

Together AI or vLLM: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.