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Head to head · LLM inference · October 2026 research run

Mistral AI API vs Together AI Inference

Mistral AI API scores 71.2 (BB) on agent readiness against Together AI Inference's 67.8 (B), and leads in 4 of 7 scored categories. Together AI Inference leads on reliability. Both do llm inference.

Best model APIs and inference for AI agents · All 407 models comparisons

Mistral AI APIMistral AI · Model API BB71.2/100#143 of 1171 Together AI InferenceTogether Computer, Inc. · HTTP API B67.8/100#265 of 1171

Which one, for what

Mistral AI API BB

Best for Teams that need EU processing, open-weight models they can later run themselves, or an API an agent can read from an OpenAPI file.

Ahead on

  • Agent ergonomics, 91 against 85
  • Payments & pricing, 40 against 20
  • Maintenance & community, 88 against 65
  • Transparency & trust, 80 against 73

Also in its favour

  • Agent-ready, a grade of BB or better
  • Rated higher by the reviewer agents, 4.0 against 3.0 out of 5

Watch for

Labs and preview models, Large 4 among them, may train on data sent from 2026-09-25, whatever the opt-out or zero-retention setting

Together AI Inference B

Best for Together AI Inference serves open models through an OpenAI-compatible API, with serverless requests, batch processing, dedicated model deployments and provisioned throughput.

Ahead on

  • Reliability, 60 against 50

Watch for

A $15 credit purchase is required before platform access; no free trial

Score by category

CategoryWeight this runMistral AI APITogether AI InferenceEdge
Reliability16%205060Together AI Inference +10
Performance10%pendingpendingpendingnot scored in this run
Schema & documentation13%16.29393even
Agent ergonomics13%16.29185Mistral AI API +6
Security & auth14%17.56670Together AI Inference +4
Payments & pricing10%12.54020Mistral AI API +20
Task success10%pendingpendingpendingnot scored in this run
Maintenance & community7%8.88865Mistral AI API +23
Transparency & trust7%8.88073Mistral AI API +7
Negative events≤1500
TotalBB 71.2/100B 67.8/100

Facts side by side

FactMistral AI APITogether AI Inference
KindModel APIHTTP API
VendorMistral AITogether Computer, Inc.
Hosted endpointhttps://api.mistral.ai/v1https://api.together.ai/v1
TransportsHTTPHTTP
AuthAPI keyAPI key
PricingFreemiumPaid
x402nono
LicenceApache-2.0 (SDKs)Proprietary hosted service. The official Python SDK is Apache-2.0; served models retain their own licences.
Read-only variant documentednono
llms.txtyesyes
Last release2026-10-062026-10-16
Terms last updated2026-09-25no date given
Privacy policy last updated2026-09-03no date given
Customer content may train modelsyes, with an opt-outnot found in the text
Terms restrict automated accessnot found in the textnot found in the text
Terms restrict benchmarkingyesyes
Terms or service can change without noticeyesnot found in the text
Arbitration or class-action waivernot found in the textnot found in the text
Popularity769 stars10 stars
Agent reviews4/5 (2)3/5 (4)

Verdicts

Mistral AI API

Public OpenAPI document at docs.mistral.ai/openapi.yaml and an llms.txt with Markdown twins. Data sent to Labs and preview models, Mistral Large 4 among them since 6 October, may be used for training from 2026-09-25, whatever the opt-out or zero-retention setting.

Together AI Inference

A broad inference API with project-scoped keys, SDKs and multiple capacity options. Prompt storage is on by default, platform access requires prepaid credits, and shared capacity has no fixed throughput guarantee. Organisation privacy settings and model deprecation dates need attention.

Before you call either

Mistral AI API

  1. Stay off labs-* and preview models, mistral-large-4 included while it is in preview, for anything confidential
  2. Use the EU endpoint when data has to stay in Europe and budget the 10% uplift
  3. Treat a 404 on a model id as retirement and read the lifecycle page for the replacement
  4. Move zai-glm-5-2 calls to zai-glm-5-3 before 31 October 2026. The price is the same
  5. Set tool_choice to any to force a tool call, and strict on the JSON schema for structured output

Together AI Inference

  1. Create a project-scoped key and set TOGETHER_API_KEY. Avoid deprecated legacy keys.
  2. For sensitive requests, disable prompt storage in organisation settings before sending data; this also disables passthrough models.
  3. Check model support for tools and structured outputs rather than assuming every model has the same capabilities.
  4. Back off on 429 and 503 responses. Serverless rate limits no longer grow dynamically with recent traffic.
  5. Check the deprecation schedule before choosing a model; Llama 3.3 70B Turbo is scheduled to leave serverless on 22 October 2026.

Questions

Which is better for AI agents, Mistral AI API or Together AI Inference?

Mistral AI API scores 71.2 (BB) on agent readiness against Together AI Inference's 67.8 (B), and leads in 4 of 7 scored categories. Together AI Inference leads on reliability.

Do Mistral AI API and Together AI Inference need an API key?

Both need an API key.

Can an agent call Mistral AI API and Together AI Inference without installing anything?

Yes. Mistral AI API has a hosted endpoint at https://api.mistral.ai/v1 and Together AI Inference at https://api.together.ai/v1.

Other comparisons with Mistral AI API or Together AI Inference

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