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Together AI vs Upstash

Together AI logo

Together AI

Software

Open-source AI at scale

From
Free
Rated
-
Full reviewWebsite
Upstash logo

Upstash

Software

Serverless data for modern developers

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Together AI fine tuning carries a minimum charge of $4.00 per job regardless of dataset size; Upstash hTTP-based REST API only, no TCP connections means higher latency than self-hosted or connection-pooled Redis
  • They diverge on capability: Together AI covers Open-source models, Upstash covers Serverless Redis.

Where they differ

Only the attributes on which Together AI and Upstash actually diverge.

Attributes where Together AI and Upstash differ
AttributeTogether AIUpstash
Pricing modelusage-basedUnknown
PlatformsApi, CloudREST API, Node.js, Python, Go, Rust, Vercel Edge, Cloudflare Workers, AWS Lambda
Founded20222020

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Unknown).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Together AI

  • Open-source models
  • Fine-tuning
  • Fast inference
  • Embeddings
  • Python SDK
  • OpenAI compatible
  • Cloud support

Only in Upstash

  • Serverless Redis
  • Serverless Kafka
  • QStash
  • Global Replication
  • Edge Functions Support
  • Rate Limiting
  • Caching
  • Vercel

Both cover

  • REST API
  • Api support

What people use each for

The jobs each tool is most often brought in to do.

Together AI

  • Serverless inference against open source chat, vision, embedding, image and video modelsnot Upstash
  • Renting dedicated single tenant H100, H200 or B200 GPU clusters by the hournot Upstash
  • Fine tuning open weight models on a per token basisnot Upstash

Upstash

  • Cachingnot Together AI
  • Session storagenot Together AI
  • Real-time messagingnot Together AI
  • Rate limitingnot Together AI
  • Serverless backendsnot Together AI

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Together AI

  • Fine tuning carries a minimum charge of $4.00 per job regardless of dataset size
  • Reserved GPU commitments beyond 180 days are priced by contacting sales with no published rate
  • Volume and enterprise discounts are quote only with no published threshold
  • Reserved dedicated inference pricing is contact sales while only on demand rates of $5.49 to $8.99 per GPU hour are published

Upstash

  • HTTP-based REST API only, no TCP connections means higher latency than self-hosted or connection-pooled Redis
  • Rate limiting occurs when traffic exceeds configured budget cap or request limits
  • Kafka service discontinued in March 2025, requiring migration to Upstash Workflow or alternatives
  • Limited Redis feature support compared to self-hosted Redis or Redis Cloud
  • High-request-volume workloads can accumulate significant costs due to per-request pricing model

Pricing, plan by plan

Together AI

Free
  • FreeFree
    • $5 credits
    • API access
  • Pay-per-use$0.2/per-million-tokens
    • All models
    • Fine-tuning

Upstash

Free
  • FreeFree
    • 256 MB data
    • 500K commands per month
    • 10 GB bandwidth
  • Pay-as-you-go$0.2/per 100K commands
    • Per-request billing
    • Storage at $0.25/GB
    • Unlimited commands
  • Fixed Plan$10/month
    • 250 MB Redis
    • Predictable pricing
    • Global replication available at higher tiers

Which should you pick?

Choose Together AI if

  • You need open-source models.
  • You want to start without paying.
  • You work on Api, Cloud.
  • You also want fine-tuning.
Together AI review

Choose Upstash if

  • You need serverless redis.
  • You want to start without paying.
  • You work on REST API, Node.js, Python, Go, Rust, Vercel Edge, Cloudflare Workers, AWS Lambda.
  • You also want serverless kafka.
Upstash review

Questions people ask

Is Together AI or Upstash better?
Neither clearly leads. Together AI starts at Free and Upstash at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Together AI or Upstash?
Together AI starts at Free and Upstash at Free.
Does Together AI or Upstash run on more platforms?
Together AI runs on Api, Cloud. Upstash runs on REST API, Node.js, Python, Go, Rust, Vercel Edge, Cloudflare Workers, AWS Lambda.
Can I use Together AI for free?
Both have a free tier, so you can try either at no cost before committing.
What is Together AI best used for?
Together AI is most often used for serverless inference against open source chat, vision, embedding, image and video models, renting dedicated single tenant h100, h200 or b200 gpu clusters by the hour, fine tuning open weight models on a per token basis. Of those, serverless inference against open source chat, vision, embedding, image and video models and renting dedicated single tenant h100, h200 or b200 gpu clusters by the hour are not what Upstash is typically brought in for.
What can Together AI do that Upstash cannot?
Together AI covers Open-source models, Fine-tuning, Fast inference, Embeddings. Upstash covers Serverless Redis, Serverless Kafka, QStash, Global Replication. Both handle REST API, Api support.

Answered from the vendors’ own pages

Upstash: Does Upstash have a free tier?

Yes. The free tier provides 256 MB of data and 500,000 commands per month with 10 GB of bandwidth in a single region, no credit card required.

Source
Upstash: How does Upstash work with edge platforms like Vercel and Cloudflare Workers?

Upstash uses a REST API instead of TCP connections, enabling it to work from Vercel Edge, Cloudflare Workers, and AWS Lambda without persistent connections or connection pooling.

Source
Upstash: What programming languages are supported?

Upstash provides native SDKs for Python, Node.js, Go, and Rust. Java, C#, and PHP developers can use the REST API or community libraries.

Source
Upstash: Is Upstash Kafka still available?

No. Upstash Kafka was deprecated on September 11, 2024 and fully discontinued on March 11, 2025. Upstash Workflow is now recommended for durable serverless messaging and task queuing.

Source
Upstash: How is Upstash pricing structured?

Upstash uses per-request pricing at $0.20 per 100K commands for Redis, $0.25/GB for storage, and $0.40 per 100K requests for Vector database. Idle applications cost nothing.

Source
Upstash: Can Upstash be used with AWS Lambda?

Yes. Upstash works with AWS Lambda via its REST API, eliminating the need for connection pooling and making it ideal for stateless serverless functions.

Source
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