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Anthropic API vs Together AI

Anthropic API logo

Anthropic API

AI

Claude API for developers

From
On request
Rated
-
Full reviewWebsite
Together AI logo

Together AI

AI

Open-source AI at scale

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Together AI has a free tier, so it costs nothing to try first.
  • Each has a real cost: Anthropic API pricing varies significantly by model tier; Together AI free tier limits not clearly specified in pricing documentation
  • They diverge on capability: Anthropic API covers Multiple models, Together AI covers Open-source models.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Anthropic API and Together AI actually diverge.

Attributes where Anthropic API and Together AI differ
AttributeAnthropic APITogether AI
Starting priceOn requestFree
Free tierNoYes
PlatformsApiApi, Cloud
Founded20212022

Identical on both: pricing model (usage-based), user rating (Not yet rated), category (AI).

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 Anthropic API

  • Multiple models
  • 200K context
  • Vision capabilities
  • Function calling
  • SDKs
  • Amazon Bedrock
  • Google Vertex

Only in Together AI

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

Both cover

  • REST API
  • Api support

What people use each for

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

Anthropic API

  • AI agent developmentnot Together AI
  • LLM-powered API integrationnot Together AI
  • Batch processing for cost optimizationnot Together AI

Together AI

  • LLM inference for production AI applicationsnot Anthropic API
  • Content generation at scalenot Anthropic API
  • Code execution and embeddingsnot Anthropic API
  • Model fine-tuning and trainingnot Anthropic API
  • Startup and enterprise AI deploymentnot Anthropic API

Where each one falls short

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

Anthropic API

  • Pricing varies significantly by model tier
  • Batch processing and Fast Mode add additional surcharges
  • US-only inference costs 1.1x standard pricing

Together AI

  • Free tier limits not clearly specified in pricing documentation
  • Pricing varies significantly by model and use case
  • Requires account setup for production access
  • Batch API discounts apply only to non-urgent workloads

Pricing, plan by plan

Anthropic API

On request
  • Fable 5$undefined/mo
    • Input: $10/MTok
    • Output: $50/MTok
    • Prompt caching Write: $12.50/MTok
  • Opus 5$undefined/mo
    • Input: $5/MTok
    • Output: $25/MTok
    • Prompt caching Write: $6.25/MTok
  • Sonnet 5$undefined/mo
    • Input: $2/MTok
    • Output: $10/MTok
    • Prompt caching Write: $2.50/MTok
  • Haiku 4.5$undefined/mo
    • Input: $1/MTok
    • Output: $5/MTok
    • Prompt caching Write: $1.25/MTok

Together AI

Free
  • Serverless Inference$0.03/1M input tokens
    • Chat and Vision models
    • Image generation
    • Video generation
  • Provisioned Throughput$21600/month
    • Up to 83% savings vs commercial alternatives
    • Reserved capacity
    • Guaranteed throughput
  • Dedicated Inference$5.49/hour
    • H100 GPU instance
    • Single-tenant deployment
    • No resource sharing
  • GPU Clusters$3.99/GPU-hour
    • On-demand capacity
    • Volume discounts available
    • Reserved options with up to 35% savings

Which should you pick?

Choose Anthropic API if

  • You need multiple models.
  • You work on Api.
  • You also want 200k context.
Anthropic API review

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

Questions people ask

Is Anthropic API or Together AI better?
Neither clearly leads. Anthropic API starts at On request and Together AI at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Anthropic API or Together AI?
Together AI has a free tier; the other does not. Paid plans start at On request for Anthropic API and Free for Together AI.
Does Anthropic API or Together AI run on more platforms?
Anthropic API runs on Api. Together AI runs on Api, Cloud.
Can I use Together AI for free?
Yes. Together AI has a free tier, so you can try it without paying. Anthropic API starts at On request.
What is Anthropic API best used for?
Anthropic API is most often used for ai agent development, llm-powered api integration, batch processing for cost optimization. Of those, ai agent development and llm-powered api integration are not what Together AI is typically brought in for.
What can Anthropic API do that Together AI cannot?
Anthropic API covers Multiple models, 200K context, Vision capabilities, Function calling. Together AI covers Open-source models, Fine-tuning, Fast inference, Embeddings. Both handle REST API, Api support.

Answered from the vendors’ own pages

Anthropic API: How much does the Claude API cost?

Claude API uses pay-as-you-go pricing per million tokens (MTok). Haiku 4.5 costs $1 input/$5 output per MTok; Sonnet 5 costs $2 input/$10 output; Opus 5 costs $5 input/$25 output; Fable 5 costs $10 input/$50 output per MTok.

Source
Together AI: Does Together AI offer a free tier?

Yes, Together AI advertises 'Start for free, scale on demand,' but specific free tier usage limits are not detailed on the pricing page.

Source
Anthropic API: What discounts does the Claude API offer?

Batch processing saves 50% on API costs. Prompt caching reduces token costs by up to 90% for cached reads (charged at 80% discount compared to standard rates). Fast Mode for Opus 5 costs 2x standard pricing for up to 2.5x faster response speeds.

Source
Together AI: What are Together AI's highest model prices?

Serverless inference pricing ranges from free for base models up to $4.40 per 1M input tokens for premium models. Video generation costs $0.14 to $3.20 per video depending on resolution.

Source
Anthropic API: Does the Claude API have different billing models?

Self-serve access uses usage-based tiers with automatic rate limit increases as volume grows. Enterprise customers receive custom rate limits, monthly invoice billing, and hands-on support at negotiated pricing.

Source
Together AI: How much can I save with Provisioned Throughput?

Together AI offers up to 83% savings compared to commercial alternatives when using their Provisioned Throughput option with reserved capacity.

Source
Anthropic API: How much extra does US-only inference cost on the Claude API?

US-only inference costs 1.1x pricing for input and output tokens across all model tiers compared to standard multi-region pricing.

Source
Together AI: What is Together AI's fine-tuning pricing?

Standard fine-tuning costs $0.48 to $2.90 per 1M tokens depending on model size, with a minimum charge of $4.00 per job.

Source
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