Comparison

Together AI vs vLLM

On the evidence we track, Together AI leads this comparison with a composite score of 73/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Together AI full profile →vLLM full profile →

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★Together AI73

vLLM68

Attribute comparison across 2 tools
Attribute	Together AILeader	vLLM
Vioscale score	73 / 100medium · 60%	68 / 100medium · 67%
Pricing
Free tierpricing.free_tier	✗	✓
Modelpricing.model	commercial	open_source
Price levelpricing.price_level	low	free
Starting pricepricing.starting_price	$0.00	-
Transparentpricing.transparent	✓	✓
Integrations
Countintegrations.count	-	29
Security
Disclosure policysecurity.disclosure_policy	✓	-
Gdprsecurity.gdpr	✓	-
Iso27001security.iso27001	✓	-
Soc2security.soc2	✓	-
Vulnerabilitiessecurity.vulnerabilities	-	Count: 62 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=vllm&per_page=100 · Last 12m: 37 · Max severity: CRITICAL
Reliability
Sla pctreliability.sla_pct	99	-
Status pagereliability.status_page	✓	-
Adoption
Dependent reposadoption.dependent_repos	-	5
Github starsadoption.github_stars	-	90,137
Package downloads weeklyadoption.package_downloads_weekly	-	1,098,710
Activity
Commits last 30dactivity.commits_last_30d	-	100
Release
Cadence daysrelease.cadence_days	-	9
Historyrelease.history	-	20 items
License
Spdxlicense.spdx	-	Apache-2.0
Language
Primarylanguage.primary	-	Python
Market
Availabilitymarket.availability	Available worldwide · Popular in US	Available worldwide

Score

Vioscale score

Together AI73 / 100medium · 60%

vLLM68 / 100medium · 67%

Pricing

Free tier

Together AI✗

vLLM✓

Model

Together AIcommercial

vLLMopen_source

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–

Vulnerabilities

Together AI–

vLLMCount: 62 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=vllm&per_page=100 · Last 12m: 37 · Max severity: CRITICAL

Reliability

Sla pct

Together AI99

vLLM–

Status page

Together AI✓

vLLM–

Adoption

Dependent repos

Together AI–

vLLM5

Github stars

Together AI–

vLLM90,137

Package downloads weekly

Together AI–

vLLM1,098,710

Activity

Commits last 30d

Together AI–

vLLM100

Release

Cadence days

Together AI–

vLLM9

History

Together AI–

vLLM20 items

License

Spdx

Together AI–

vLLMApache-2.0

Language

Primary

Together AI–

vLLMPython

Market

Availability

Together AIAvailable worldwide · Popular in US

vLLMAvailable worldwide

Capabilities

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

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

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 hosting and serving open-source language, image, audio, and video models through serverless inference, reserved capacity, and dedicated GPU instances. The platform includes fine-tuning capabilities, batch processing, managed storage, and GPU cluster support for custom model development and training—eliminating the need for users to manage underlying infrastructure.

Independently observed

vLLM

An open-source framework that provides optimized LLM inference with low latency and high throughput. It includes continuous batching, memory-efficient attention mechanisms, quantization support, and distributed serving across diverse hardware platforms.

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/tokensUsage-based

Usage-based pricing starting from $0.00014/1M tokens for serverless inference. Reserved capacity and dedicated GPU instances available; on-demand GPU pricing from $3.69/hour.

Serverless InferenceFrom $0.00014–$15/1M tokens depending on model. Pay only for usage.
- 50+ open-source models
- Variable pricing by model and token type
- Batch API support
- Private endpoints
Provisioned ThroughputReserved throughput capacity with 99% SLA. PTU-based pricing structure.
- Reserved token capacity
- 99% uptime SLA
- Token-based pricing model
- Production-grade reliability
Dedicated Inference$3.69–$8.99 per GPU per hour (on-demand); reserved discounts available.
- Single-tenant GPU instances
- Guaranteed performance (no resource sharing)
- Custom model support
- Autoscaling for traffic spikes

as of 2026-08-21verify ↗

vLLM

Open sourceFree tier

as of 2026-08-14verify ↗

Platform & deployment

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

Platform and deployment support comparison
Supports	Together AI	vLLM
WebPlatforms	✓	✗
LinuxPlatforms	✗	✓
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✓	✓
Self-hostedDeployment	✗	✓
On-premiseDeployment	✗	✓

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

32 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
+8 more

Independently observed

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