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Best fine-tuning platform

3 models · updated 2026-06-29

The verdict

Together AI leads — 2 of 3 models rank Together AI the top startup.

Not unanimous: ChatGPT picks Predibase.

Combined ranking

  1. 1
    Together AI—13 pts
    GPT #2Claude #2Gemini #1· Managed serverless platform with high-performance fine-tuning for open-source models.
  2. 2
    Predibase—8 pts
    GPT #1Claude #3Gemini —· Purpose-built LoRA fine-tuning with efficient serving.
  3. 3
    Fireworks AI—5 pts
    GPT #3Claude #4Gemini —· Fast fine-tuning workflow with production deployment.
  4. 4
    Unsloth—4 pts
    GPT —Claude —Gemini #2· Speed-optimized library and platform for ultra-fast, memory-efficient GPU fine-tuning.
  5. 5
    Modal—3 pts
    GPT —Claude —Gemini #3· Serverless GPU infrastructure with a premium developer experience for training pipelines.
  6. 6
    LLaMA-Factory—2 pts
    GPT —Claude —Gemini #4· Unified training dashboard with an intuitive Web UI supporting hundreds of open-source models.

Not ranked (incumbents): OpenAI Fine-tuning Platform, Hugging Face AutoTrain, Google Vertex AI

By model

ChatGPT

  1. 1.Predibase
  2. 2.Together AI
  3. 3.Fireworks AI
  4. 4.Hugging Face AutoTrain
  5. 5.Google Vertex AI

Claude

  1. 1.OpenAI Fine-tuning Platform
  2. 2.Together AI
  3. 3.Predibase
  4. 4.Fireworks AI
  5. 5.Google Vertex AI

Gemini

  1. 1.Together AI
  2. 2.Unsloth
  3. 3.Modal
  4. 4.LLaMA-Factory
  5. 5.Hugging Face AutoTrain

Tracked by ModelsAgree · rank 1 = 5 pts … rank 5 = 1 pt · re-polled continuously