LangSmith
Tracing, evals and monitoring for LLM applications.
Full LangSmith record →Head to head
LangSmith vs Fireworks AI
LangSmith (LangChain) and Fireworks AI (Fireworks AI) both sit in Infrastructure & Serving. Fireworks AI is the cheaper entry point at Per-token usage. Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | LangSmith LangChain | Fireworks AI Fireworks AI |
|---|---|---|
| Segment | Infrastructure & Serving | Infrastructure & Serving |
| Version | 2025 | 2025 |
| Entry cost | Free tier · from $39/mo | Per-token usage |
| Pricing tiers | — | — |
| Model stack | model-agnostic | Llama · Qwen |
| Context window | — | — |
| Public API | ||
| Routes models | ||
| Changes / 30d | 0 | 0 |
| Origin | Global | Global |
| Capabilities | Traces, Datasets, Evaluators | Fast serving, FireAttention, Fine-tuning |
Fireworks AI
Low-latency serving for open models and custom fine-tunes.
Full Fireworks AI record →