We need to cut our cloud infrastructure costs. What are the best developer tools for tracking down expensive OpenAI API calls in our Node backend?
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
We need to cut our cloud infrastructure costs. What are the best developer tools for tracking down expensive OpenAI API calls in our Node backend?
3 real searches · 1 real-search pass
best LLM observability tools OpenAI API cost tracking Node.js Langfuse Helicone Braintrust Datadog 2026Google ↗
OBSERVEDComparison
OpenAI API usage dashboard costs per API key project usage limits official documentationGoogle ↗
OBSERVEDOther / navigational
Langfuse JavaScript SDK OpenAI integration cost tracking documentationGoogle ↗
OBSERVEDOther / navigational
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (3)
Classes come from the query-classifier (a local Laya model). 2 of 3 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT3 real searches · gpt-6
best LLM observability tools OpenAI API cost tracking Node.js Langfuse Helicone Braintrust Datadog 2026 Google ↗
OpenAI API usage dashboard costs per API key project usage limits official documentation Google ↗
Langfuse JavaScript SDK OpenAI integration cost tracking documentation Google ↗
- Website · langfuse.com
- Cost tracking documentation · langfuse.com
- 9 Best LLM Observability Tools for Production AI Agents · langchain.com
- Best LLM Observability & Eval Tools in 2026 · modelrefs.com
- Reviewing API usage and costs · help.openai.com
- Managing projects in the API platform · help.openai.com
- Best LLM observability tools in 2026 · thecontextcompany.com
- LLM Observability Tools Compared: What to Monitor in Production · codiste.com
- Website · datadoghq.com
- Best LLM Observability Tools: Langfuse, Helicone, Braintrust, LangSmith, OpenTelemetry, Datadog, and MLflow · ai-coding-tools-guide.vercel.app
- Website · braintrust.dev
- Website · phoenix.arize.com
- Website · portkey.ai
- Best AI Cost Observability Tools 2026 · nops.io
- Best llm observability tools in 2026: 9 Tools Compared · rankite.com
Queries
3 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
best LLM observability tools OpenAI API cost tracking Node.js Langfuse Helicone Braintrust Datadog 2026 OBSERVED | Google ↗ AI Mode ↗ | — | Comparison | — | — | 1x of 1 | |
OpenAI API usage dashboard costs per API key project usage limits official documentation OBSERVED | Google ↗ AI Mode ↗ | — | Other / navigational | — | — | 1x of 1 | |
Langfuse JavaScript SDK OpenAI integration cost tracking documentation OBSERVED | Google ↗ AI Mode ↗ | — | Other / navigational | — | — | 1x of 1 |