Best AI Tools for Model Fine-Tuning in 2026
Adapt existing pre-trained models with custom datasets to achieve higher accuracy and domain-specific performance.
Top Model Fine-Tuning AI tool recommendations
These Model Fine-Tuning AI tools are ranked by Model Fine-Tuning fit score first, with free access and latest usage signals as secondary checks.
The website explicitly describes it as a platform to fine-tune LLMs using supervised fine-tuning and RLHF.
The platform enables users to easily train pre-built vision models on custom datasets.
It provides full-code templates and development environments optimized for adjusting and fine-tuning large language models.
Best Free Model Fine-Tuning AI Tools
Start with free Model Fine-Tuning AI tools that cover practical Model Fine-Tuning workflows before comparing paid pricing plans.
| Tool | Fit | Free status | Pricing | Why it fits | Website |
|---|---|---|---|---|---|
| Label Studio | 90 | Free option | Free, Starter Cloud from $99/mo | The website explicitly describes it as a platform to fine-tune LLMs using supervised fine-tuning and RLHF. | Visit |
| Ultralytics | 88 | Free option | Free, Pro from $20/mo | The platform enables users to easily train pre-built vision models on custom datasets. | Visit |
| Lightning AI | 85 | Free option | Free, Pro from $50/mo | It provides full-code templates and development environments optimized for adjusting and fine-tuning large language models. | Visit |
Compare pricing for Model Fine-Tuning AI tools
Compare plan names, prices, and short pricing notes for the top Model Fine-Tuning AI tools before opening each official website.
| Tool | Fit | Pricing plans | Website |
|---|---|---|---|
Label StudioFree option | 90 | Community EditionFree Open Source. Self-hosted on your own infrastructure with community support. Starter Cloud$99 per month Fully managed cloud service for small teams up to 8 users. Additional users are $49/month. EnterpriseCustom Pricing Contact sales for pricing. Includes SSO, priority support SLAs, SOC2 & HIPAA compliance, and advanced quality workflows. | Visit |
UltralyticsFree option | 88 | HUB FreeFree For personal and academic projects. Includes 20GB Storage, dataset visualization, agent-based training, model export, AGPL-3.0 license, and community support. HUB Pro (Monthly)$20 per month For businesses ramping with AI. Includes 200GB Storage, Ultralytics Cloud training (pay-per-use GPU), $20 monthly training credits, Inference API access, and team collaboration. HUB Pro (Annual)$200 per year Annual billing option offering a 15% discount. Includes 200GB Storage, Ultralytics Cloud training, $200 yearly training credits, Inference API access, and team collaboration. HUB EnterpriseComing soon Customized for enterprise scale. Features unlimited storage, on-premise options, source code access, SLA access, and dedicated customer support. | Visit |
Lightning AIFree option | 85 | Free$0 For students, researchers, and hobbyists. Includes 15 monthly Lightning credits, 1 free active Studio with 4-hour restarts, single GPU access (T4, L4, A10G, L40S), up to 2 concurrent GPUs, unlimited background execution, 32-core CPU Studios, and 50 GB persistent storage limit. Pro$50 per month For developers, researchers, and scientists ($30/mo when billed annually). Everything in Free, plus 360 annual credits, 1 free active Studio running 24/7, multi-GPU Studios, single GPU A100 and H100 access, up to 6 concurrent GPUs, 64-core CPU Studios, 200 GB persistent storage limit, public/private S3 bucket connections, and distributed data prep up to 4 machines. Teams$140 per user, per month For research labs and small teams ($119/user/mo when billed annually). Everything in Pro, plus 600 annual credits, full-node A100, H100, and H200 access, multi-node training, up to 12 concurrent GPUs, AWS marketplace integration, 96-core CPU Studios, 2 TB persistent storage limit, and real-time cost controls. EnterpriseCustom For enterprise-grade AI. Everything in Teams, plus full-node B200s, priority GPU access, unlimited concurrent GPUs, bring your own cloud credits (AWS, GCP), deployment in your own VPC, unlimited multi-node training, custom RBAC, SOC 2 Type 2 compliance, SAML/SSO, custom resource tagging, and dedicated Slack support with an ML engineer. | Visit |
AstriaPaid-first | 100 | AI Model Fine-Tune$1.50 / fine-tune Based on 300 steps (1200 effective steps). Steps are pro-rated accordingly. Image Generation (Prompt)$0.23 / prompt Each prompt defaults to generating 8 images at 1MP (1024x1024) resolution. Virtual Try-On for Flux$0.08 / image Allows utilizing garment reference images for apparel visualization. Super-Resolution / Face Correction$0.0125 / image Enhances photograph details and fixes facial features. Prompt Masking / Background Removal$0.01 / image Isolate elements or automatically strip backgrounds from generated results. Extended Model Storage$0.50 / model / month Keeps trained models saved beyond the standard 30-day automatic deletion window. | Visit |
Together AIPaid-first | 98 | Serverless Inference - Llama 4 Maverick$0.27 / 1M input tokens, $0.85 / 1M output tokens Per-token pricing for the 128-expert MoE powerhouse model Serverless Inference - Llama 4 Scout$0.18 / 1M input tokens, $0.59 / 1M output tokens Per-token pricing for the 109B parameter model optimized for multi-document analysis Serverless Inference - DeepSeek-V3$1.25 / 1M tokens Flat rate per 1 million tokens for the open Mixture-of-Experts model Serverless Inference - DeepSeek-R1$3.00 / 1M input tokens, $7.00 / 1M output tokens Per-token pricing for the state-of-the-art reasoning model Serverless Inference - DeepSeek-R1 Throughput$0.55 / 1M input tokens, $2.19 / 1M output tokens Optimized, high-throughput variant of DeepSeek-R1 Serverless Inference - Llama 3.3 / 3.1 / 3.2 (70B Text)$0.54 (Lite), $0.88 (Turbo), $0.90 (Reference) / 1M tokens Tiered performance options based on full precision, optimization, or lowest cost Serverless Inference - Qwen 3 235B A22B$0.20 / 1M input tokens, $0.60 / 1M output tokens Hybrid instruct + reasoning MoE model optimized for throughput Serverless Inference - FLUX.1 Kontext [max]$0.08 / Megapixel image In-context image generation and editing endpoint yielding roughly 12.5 images per $1 Serverless Inference - FLUX.1 [schnell] FreeFree Free serverless endpoint for the fastest state-of-the-art image generation model Serverless Inference - DeepSeek R1 Distilled Llama 70B FreeFree Free serverless endpoint to experiment with distilled reasoning model capabilities Dedicated Endpoints - 1x RTX-6000 48GB / 1x L40 48GB$0.025 / minute ($1.49 / hour) Customizable GPU endpoints billed per minute for deploying standard hardware instances Dedicated Endpoints - 1x H100 80GB$0.056 / minute ($3.36 / hour) Dedicated single-tenant Hopper GPU deployment for demanding inference workloads Dedicated Endpoints - 1x H200 141GB$0.083 / minute ($4.99 / hour) High-memory dedicated GPU endpoint for large scale deployment Supervised Fine-Tuning (Up to 16B Models)$0.48 / 1M tokens (LoRA), $0.54 / 1M tokens (Full FT) Price per million tokens processed in the training dataset multiplied by the number of epochs Supervised Fine-Tuning (70B - 100B Models)$2.90 / 1M tokens (LoRA), $3.20 / 1M tokens (Full FT) Fine-tuning rates for large-scale language model weights Together GPU Clusters (NVIDIA H100)Starting at $1.75 / hour Reserved training clusters with 80GB HBM2e memory and high-speed InfiniBand networking Together GPU Clusters (NVIDIA H200)Starting at $2.09 / hour Reserved training clusters with 141GB HBM3e memory Together GPU Clusters (Blackwell GB200 / B200)Contact Sales Next-generation training infrastructure clusters featuring 384GB or 192GB memory options Together Code Sandbox$0.0446 / hour per vCPU + $0.0149 / hour per GiB RAM Custom VM sandbox environments for large automated AI development pipelines Together Code Interpreter$0.03 / session Per 60-minute session execution cost for processing LLM-generated code | Visit |
Thunder ComputePaid-first | 98 | On-demand Tesla T4$0.27 / hr Includes 4 vCPUs, 16GB RAM, 7+ Gbps networking, U.S. Central servers. On-demand A100 40GB$0.57 / hr Includes 4 vCPUs, 16GB RAM, 7+ Gbps networking, U.S. Central servers. On-demand A100 80GB$0.78 / hr Includes 4 vCPUs, 16GB RAM, 7+ Gbps networking, U.S. Central servers. On-demand H100 80GB$1.47 / hr Includes 4 vCPUs, 16GB RAM, 7+ Gbps networking, U.S. Central servers. Persistent Disk Add-on$0.15 / GB / month Storage space not included in the base rate. Snapshots Add-on$0.075 / GB / month Compressed backup storage for instances. Additional CPU Cores$0.06 / vCPU / hr Add more processing power beyond the standard 4 vCPUs. | Visit |
Klu.ai Public BetaPaid-first | 98 | Pro$30/month Perfect for research projects. Includes 300 daily runs, 1k RAG documents, 3 projects with RAG context, user feedback capture, standard support, AI feedback, evaluations, analytics, and fine-tuning. Includes FREE GPT-4 Turbo runs for prototyping. Scale$997/month Perfect for small projects and teams optimizing features. Includes 10k monthly runs, 100k RAG documents, 9 projects with RAG context, everything in Pro plus team collaboration, A/B experiments, change versioning, deployment environments, and advanced cloud integrations. EnterpriseContact Us For enterprise-scale Klu with activity logs, reporting, and workspace security. Includes 100k+ monthly runs, unlimited projects & RAG, AI dataset curation, reporting, roles & permissions, private cloud options, dedicated success team, and SOC2 compliance. | Visit |
cirrascale.comPaid-first | 98 | Single Qualcomm AI 100 Pro (48GB)$259 per month Annual Term configuration. Features 12 vCPUs, 48GB System RAM, and 1TB NVMe local storage. Dual Qualcomm AI 100 Pro$519 per month Annual Term configuration. Features 24 vCPUs, 48GB System RAM, and 1TB NVMe local storage. Quad Qualcomm AI 100 Pro$1,009 per month Annual Term configuration. Features 48 vCPUs, 182GB System RAM, and 1TB NVMe local storage. 8X Qualcomm AI 100 Ultra$3,759 per month Annual Term configuration. Features 128 vCPUs, 512GB System RAM, and dual 3.84TB NVMe storage. 8X NVIDIA RTX A4000$1,599 per month Annual Term configuration. Features Dual 10-core processors, 256GB System RAM, 1TB NVMe storage, and 25Gb Bonded networking. 8X NVIDIA RTX A5000$2,399 per month Annual Term configuration. Features Dual 10-core processors, 256GB System RAM, 1TB NVMe storage, and 25Gb Bonded networking. 8X NVIDIA RTX A6000$5,239 per month Annual Term configuration. Features Dual 32-core processors, 512GB System RAM, 3.84TB NVMe storage, and 25Gb Bonded networking. 4X AMD Instinct MI250$3,743 per month Annual Term configuration. Features Dual 64-core processors, 1TB System RAM, NVMe storage (960GB + 3.84TB), and 25Gb Bonded networking. 8X AMD Instinct MI300X$17,999 per month Annual Term configuration. Features Dual 48-core processors, 2.3TB System RAM, NVMe storage (960GB + four 3.84TB), and 25Gb Bonded networking. 8X NVIDIA A100 (80GB)$15,199 per month Annual Term configuration. Features Dual 32-core processors, 1TB System RAM, 3.84TB NVMe storage, and 25Gb Bonded networking. 8X NVIDIA H100 (Standalone)$19,999 per month Annual Term configuration. Features Dual 48-core processors, 2TB System RAM, NVMe storage (960GB + four 3.84TB), and 25Gb Bonded networking. 8X NVIDIA H200 (Standalone)$21,199 per month Annual Term configuration. Features Dual 48-core processors, 2TB System RAM, NVMe storage (960GB + four 3.84TB), and 25Gb Bonded networking. 8X NVIDIA B200 (Standalone)$27,999 per month Annual Term configuration. Features Dual 48-core processors, 2TB System RAM, NVMe storage (960GB + four 3.84TB), and 25Gb Bonded networking. Cerebras AI Model Studio (GPT3-XL)$2,500 Dedicated cluster time block to train GPT3-XL (1.3B parameters, 26B tokens) on Cerebras CS-2. Cloud Storage (Object Storage < 50TB)$0.04/GB/month Object storage solution for capacities under 50TB. Cloud Storage (NVMe Hot-Tier Storage)$0.20/GB/month High-performance NVMe hot-tier storage solution for capacities of 50TB or greater. | Visit |
Latest Model Fine-Tuning AI tool overview
Rank the best online AI tools for Model Fine-Tuning by free access, pricing, Model Fine-Tuning task fit score, and the practical reason each tool belongs on this page.
| Tool | Free | Starting price | Task fit score | Why it fits | Visit |
|---|---|---|---|---|---|
| AsAstria | No | Starts at $1.50/fine-tune and $0.23/prompt batch | 100 | The platform specializes in Dreambooth API and custom model fine-tuning for Flux and Stable Diffusion. | Visit |
| ToTogether AI | No | Free endpoints available; Paid inference from $0.008/1M tokens; GPU Clusters from $1.30/hr | 98 | The platform heavily emphasizes supervised fine-tuning and Direct Preference Optimization for custom model customization. | Visit |
| ThThunder Compute | No | On-demand GPU instances start from $0.27/hr, with $20 free startup credit. | 98 | The tool directly highlights its capability to fine-tune AI/ML models on high-performance GPUs. | Visit |
| KlKlu.ai Public Beta | No | Free trial available, Pro from $30/mo | 98 | The platform supports one-click model fine-tuning for custom experiences using various LLMs. | Visit |
| cicirrascale.com | No | Starts at $259/mo for entry-level Qualcomm cards, with high-end GPU servers starting around $1,599/mo up to $27,999/mo for flagship clusters. | 98 | The service specifically lists model fine-tuning as a core use case for its multi-GPU servers. | Visit |
| LaLabelbox | No | Contact sales for pricing details | 95 | Labelbox directly accelerates critical generative AI post-training tasks, specifically highlighting Supervised Fine-Tuning capabilities. | Visit |
| susurgehq.ai | No | Contact for Pricing | 95 | It specializes in rich supervised fine-tuning and post-training datasets for large language models. | Visit |
| PrPrem | No | Contact for Pricing | 95 | The platform features an Autonomous Finetuning Agent to optimize and create custom models. | Visit |
| klkluster.ai | No | Starts at $0.01 per million tokens | 95 | The tool directly offers serverless model fine-tuning with simple dataset upload and job monitoring workflows. | Visit |
| enencord.com | No | Contact for Pricing | 90 | The tool assists in fine-tuning foundation models using powerful error analysis and automatic metrics. | Visit |
| LaLabel Studio | Yes | Free, Starter Cloud from $99/mo | 90 | The website explicitly describes it as a platform to fine-tune LLMs using supervised fine-tuning and RLHF. | Visit |
| UlUltralytics | Yes | Free, Pro from $20/mo | 88 | The platform enables users to easily train pre-built vision models on custom datasets. | Visit |
AI tool categories that work for Model Fine-Tuning
See which AI tool categories appear most often in the strongest Model Fine-Tuning matches.
| Category | Matching tools | Free plans | Average fit | Top tool |
|---|---|---|---|---|
| AI Developer Tools | 16 | 3 | 91 | |
| AI API | 12 | 1 | 92 | |
| Large Language Models (LLMs) | 11 | 2 | 92 | |
| AI Models | 9 | 2 | 93 | |
| Open Source AI Models | 7 | 3 | 91 | |
| AI Workflow | 4 | 0 | 90 |
Popular tools with strong fit for Model Fine-Tuning
Compare usage signals with fit score so popular Model Fine-Tuning tools do not outrank better workflow matches by traffic alone.
| Tool | Traffic signal | Fit | Price | Why it belongs |
|---|---|---|---|---|
| Labelbox | 1.1M/mo | 95 | Contact sales for pricing details | Labelbox directly accelerates critical generative AI post-training tasks, specifically highlighting Supervised Fine-Tuning capabilities. |
| Ultralytics | 1.1M/mo | 88 | Free, Pro from $20/mo | The platform enables users to easily train pre-built vision models on custom datasets. |
| Together AI | 756K/mo | 98 | Free endpoints available; Paid inference from $0.008/1M tokens; GPU Clusters from $1.30/hr | The platform heavily emphasizes supervised fine-tuning and Direct Preference Optimization for custom model customization. |
| Lightning AI | 467K/mo | 85 | Free, Pro from $50/mo | It provides full-code templates and development environments optimized for adjusting and fine-tuning large language models. |
| encord.com | 267K/mo | 90 | Contact for Pricing | The tool assists in fine-tuning foundation models using powerful error analysis and automatic metrics. |
| Label Studio | 261K/mo | 90 | Free, Starter Cloud from $99/mo | The website explicitly describes it as a platform to fine-tune LLMs using supervised fine-tuning and RLHF. |
| surgehq.ai | 218K/mo | 95 | Contact for Pricing | It specializes in rich supervised fine-tuning and post-training datasets for large language models. |
| Thunder Compute | 95K/mo | 98 | On-demand GPU instances start from $0.27/hr, with $20 free startup credit. | The tool directly highlights its capability to fine-tune AI/ML models on high-performance GPUs. |
Model Fine-Tuning FAQ
Compare the latest ranked AI tools for Model Fine-Tuning
Review top free and paid online AI-powered tools for Model Fine-Tuning, pricing signals, and fit scores before choosing a Model Fine-Tuning workflow.