Comparison · Updated April 2026
Together AI vs Windsurf
An in-depth comparison of Together AI and Windsurf across pricing, features, strengths, and ideal use cases — so you can pick the right tool for your workflow.
Quick verdict
Choose Together AI if you need developers building on open-source models with fine-tuning needs. Choose Windsurf if you prioritize developers wanting affordable ai ide with agentic features. Windsurf scores higher in user reviews (4.4 vs 4.3).
Together AI
Run and fine-tune open-source AI models via simple API
Pay-per-use · From $0.10/M tokens · Fine-tuning from $3/hr
Full review →Windsurf
AI IDE with agentic coding capabilities
Free · Pro $15/mo · Team $35/mo
Full review →What is Together AI?
Together AI is a cloud platform for running, fine-tuning, and deploying open-source AI models at scale. The platform hosts over 100 models including Llama 3, Mixtral, DBRX, Stable Diffusion, and specialized models for code, math, and embeddings, all accessible through a unified API that mirrors the OpenAI API format for easy migration. The key value proposition is flexibility: unlike using OpenAI or Anthropic directly, Together AI lets you choose between dozens of models, switch between them without code changes, and fine-tune models on your own data. Custom model training supports both full fine-tuning and LoRA-based efficient tuning, producing models that understand your domain, terminology, and style. Pricing is straightforward per-token with no minimum commitments, and rates are competitive with major providers. The free tier provides limited credits for exploration. Together AI serves developers and companies who want the flexibility of open-source models with the convenience of a managed cloud platform. The tool is best suited for developers building on open-source models with fine-tuning needs. Pricing starts at Pay-per-use · From $0.10/M tokens · Fine-tuning from $3/hr.
What is Windsurf?
Windsurf (formerly Codeium) is an AI-native IDE that pushes beyond code completion into true agentic coding. Its signature feature, Cascade, acts as an autonomous AI developer: you describe what you want built, and Cascade plans the implementation, writes code across multiple files, runs terminal commands, and iterates on errors until the task is complete. Built on a VS Code foundation, Windsurf feels familiar but adds deep AI integration at every layer. The AI understands your full project context including dependencies, configuration, and coding patterns. It offers both inline completions (like Copilot) and more ambitious agentic workflows (like Claude Code) in a single tool. Pricing is competitive: the free tier includes basic completions and limited Cascade usage, Pro ($15/mo) offers generous daily credits, and Team ($35/mo) adds collaboration features. Windsurf is particularly appealing to developers who want Cursor-level AI capabilities at a lower price point, or those transitioning from basic completion tools to agentic development workflows. The tool is best suited for developers wanting affordable ai ide with agentic features. It offers a free tier alongside paid plans (Free · Pro $15/mo · Team $35/mo), making it accessible for individuals and teams alike.
Key differences at a glance
Pricing: Together AI is priced at Pay-per-use · From $0.10/M tokens · Fine-tuning from $3/hr, while Windsurf costs Free · Pro $15/mo · Team $35/mo. Windsurf has a free tier, giving it an edge for budget-conscious users.
User ratings: Windsurf leads with a 4.4/5 rating from 890 reviews, compared to Together AI's 4.3/5 from 340 reviews.
Best for: Together AI is optimized for developers building on open-source models with fine-tuning needs, while Windsurf excels at developers wanting affordable ai ide with agentic features.
Category overlap: Both tools compete in the coding category.
Feature-by-feature comparison
| Feature | Together AI | Windsurf |
|---|---|---|
| Pricing model | Paid | Freemium |
| Starting price | Pay-per-use · From $0.10/M tokens · Fine-tuning from $3/hr | Free · Pro $15/mo · Team $35/mo |
| User rating | ||
| Best for | Developers building on open-source models with fine-tuning needs | Developers wanting affordable AI IDE with agentic features |
| Categories | coding | coding |
| Free tier available | ✓ Yes | ✓ Yes |
| Image generation | ✓ Yes | — No |
| Code generation | ✓ Yes | ✓ Yes |
| API access | ✓ Yes | — No |
| Mobile app | — No | ✓ Yes |
| Team / collaboration plan | — No | ✓ Yes |
| Custom bots / agents | ✓ Yes | ✓ Yes |
| Multi-language support | — No | ✓ Yes |
| 100+ open-source models | ✓ Yes | — No |
| One-line fine-tuning | ✓ Yes | — No |
| Serverless & dedicated | ✓ Yes | — No |
| Function calling | ✓ Yes | — No |
| Batch processing | ✓ Yes | — No |
| Terminal execution | — No | ✓ Yes |
| Git integration | — No | ✓ Yes |
| Tab autocomplete | — No | ✓ Yes |
Pros and cons
Together AI
Strengths
- Widest open model selection
- Easy fine-tuning
- Competitive pricing
- Great documentation
Limitations
- No chat interface
- Developer-focused only
- Support response time
Windsurf
Strengths
- Strong agentic capabilities
- Affordable Pro tier
- Good codebase awareness
- Free tier
Limitations
- Newer product
- Smaller community
- Occasional context misses
Pricing comparison
Together AI uses a paid pricing model: Pay-per-use · From $0.10/M tokens · Fine-tuning from $3/hr.
Windsurf uses a freemium pricing model: Free · Pro $15/mo · Team $35/mo. The free tier is a good way to evaluate the tool before upgrading. Users frequently mention its competitive pricing as a key advantage.
For cost-sensitive teams, compare actual API or per-seat costs using our AI Cost Calculator.
Which tool should you choose?
Choose Together AI if you...
- → Need developers building on open-source models with fine-tuning needs
- → Value widest open model selection
- → Value easy fine-tuning
Choose Windsurf if you...
- → Need developers wanting affordable ai ide with agentic features
- → Value strong agentic capabilities
- → Value affordable pro tier
- → Want to start free before committing
Not sure which fits your workflow? Take our AI Tool Finder Quiz for a personalized recommendation based on your role, budget, and technical level.
Final verdict: Together AI vs Windsurf
Both Together AI and Windsurf are strong tools in the coding space, but they serve different needs. Together AI stands out for widest open model selection, making it ideal for developers building on open-source models with fine-tuning needs. Windsurf differentiates with strong agentic capabilities, which benefits users focused on developers wanting affordable ai ide with agentic features.
With a 0.1-point rating advantage and 890 reviews, Windsurf has the edge in user satisfaction. The best approach is to try Together AI and Windsurf's free tier to see which fits your specific workflow.
Frequently asked questions
Is Together AI better than Windsurf?
It depends on your use case. Together AI is best for developers building on open-source models with fine-tuning needs. Windsurf excels at developers wanting affordable ai ide with agentic features. Based on user ratings, Windsurf scores slightly higher at 4.4/5.
How much does Together AI cost compared to Windsurf?
Together AI pricing: Pay-per-use · From $0.10/M tokens · Fine-tuning from $3/hr. Windsurf pricing: Free · Pro $15/mo · Team $35/mo. Windsurf offers a free tier while Together AI requires a paid subscription.
Can I use Together AI and Windsurf together?
Yes, many professionals use both tools for different tasks. You might use Together AI for developers building on open-source models with fine-tuning needs and Windsurf for developers wanting affordable ai ide with agentic features. Using complementary tools often produces the best results.
What are the best alternatives to Together AI and Windsurf?
Top alternatives include Claude, ChatGPT, Cursor. Each offers different strengths — browse our alternatives pages for Together AI and Windsurf for detailed breakdowns.
Which tool is easier to learn — Together AI or Windsurf?
Together AI is generally considered easier to pick up. Windsurf has a moderate learning curve. Both tools offer documentation and tutorials to help new users get started quickly.
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