Fireworks AI vs Together AI (2026) | Respan
Fireworks AI vs Together AI
Updated March 9, 2026
Fireworks AI
vs
Together AI
Overview
Rating
Fireworks AI: 10.0 / 10
Together AI: 10.0 / 10
Best For
Fireworks AI: Developers deploying open-source models who need fast, reliable, and cost-efficient inference
Together AI: Developers and companies deploying open-source AI models in production
Product Summary
Fireworks AI is a generative AI inference platform that offers fast, cost-efficient model serving. The platform hosts popular open-source models and supports custom model deployments with optimized inference using proprietary serving technology. Fireworks specializes in compound AI systems with features like function calling, JSON mode, and grammar-guided generation that make it easy to build structured AI applications.
Together AI provides a cloud platform for running, fine-tuning, and training open-source AI models. The platform hosts popular models like Llama, Mistral, and Stable Diffusion with optimized inference that delivers fast generation at competitive prices. Together AI also offers GPU clusters for custom training jobs and has contributed to several breakthrough open-source AI research projects.
Starting Price
Fireworks AI: Pay-per-token
Together AI: Starting at $0.10 Per 1M tokens
Free Trial
Fireworks AI: Yes
Together AI: Yes
Free Version
Fireworks AI: No
Together AI: No
Website
Key features
Fireworks AI
- Optimized inference for open-source models
- Function calling and JSON mode
- Fast iteration with model playground
- Competitive pricing
- Enterprise deployment options
Together AI
- Inference and training cloud
- Open-source model hosting
- Serverless inference endpoints
- Fine-tuning as a service
- Competitive GPU pricing
Strengths and tradeoffs
Fireworks AI
Pros
- 1-2 orders of magnitude cheaper than competitors
- Flexible deployment options (serverless/dedicated)
- Cost-effective fine-tuning capabilities
- NVIDIA Blackwell support for 10× cost reduction
Cons
- Pay-per-token pricing requires careful monitoring
- Costs vary significantly by model and usage
- Dedicated GPU hourly rates add up for 24/7 use
Together AI
Pros
- Competitive pricing starting at USD 0.10 per million tokens
- 50 percent discounts on batch inference and prompt caching
- Strong backing from NVIDIA and Salesforce Ventures
- Flexible deployment with both serverless and dedicated options
Cons
- Focused on open-source models may limit access to proprietary models
- Per-minute billing for dedicated GPUs can be complex to predict
- Newer platform with less extensive documentation than established providers
- Pricing varies significantly by model making cost planning difficult
Fireworks AI or Together AI — which should you choose?
Choose Fireworks AI if you want
- Production inference for open-source LLMs
- Fine-tuned model deployment
- Low-latency AI applications
- Compound AI systems
- Cost-optimized inference
Choose Together AI if you want
- Hosting open-source LLMs in production
- Fine-tuning models on custom data
- Cost-efficient inference at scale
- Training custom models
- Rapid model prototyping
Compare Fireworks AI and Together AI on your own traffic
10K Free traces/mo
500+ Models
5 min Setup
Respawn lets you trace LLM and agent calls across any model or framework, A/B test prompts on production traffic, and route requests across 500+ models through one gateway.