# Fine-tuning services for AI models (slim)

> 6 fine-tuning listings ranked by the Anchor benchmark. Leader Vertex AI Gemini tuning (B). Services that train a model on your examples, by supervised, preference or reinforcement fine-tuning, and serve the result. Compared on which base models you can tune, the methods, price per training token, whether you get the weights and what serving the result costs.

- Full: https://www.anchorterminal.com/categories/fine-tuning.md (~1,900 tokens) · this version ~430 tokens · JSON https://www.anchorterminal.com/categories/fine-tuning.json · canonical https://www.anchorterminal.com/categories/fine-tuning
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-04

- Tools: 6 · agent-ready (BB+): 0 · accept x402: 0 · JSON: https://www.anchorterminal.com/api/v1/tools.json · by capability: https://www.anchorterminal.com/api/v1/capabilities.json
- Capabilities: finetune.sft, finetune.preference, finetune.rl, finetune.lora, finetune.export

| # | Tool | Grade | Score | Confidence | x402 | Auth | Where | Slim |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 190 | Vertex AI Gemini tuning | B | 64.2 | medium | no | OAuth | hosted | https://www.anchorterminal.com/tools/vertex-ai-tuning.min.md |
| 228 | Microsoft Foundry fine-tuning (Azure OpenAI) | C | 61.4 | medium | no | OAuth or key | hosted | https://www.anchorterminal.com/tools/azure-foundry-fine-tuning.min.md |
| 269 | Fireworks AI Fine-tuning | C | 59.2 | medium | no | API key | hosted | https://www.anchorterminal.com/tools/fireworks-fine-tuning.min.md |
| 319 | Together AI Fine-tuning | C | 54.9 | medium | no | API key | hosted | https://www.anchorterminal.com/tools/together-fine-tuning.min.md |
| 347 | Unsloth | D | 51.7 | medium | no | None | library | https://www.anchorterminal.com/tools/unsloth.min.md |
| 354 | Tinker | D | 51.2 | medium | no | API key | local | https://www.anchorterminal.com/tools/tinker.min.md |