Observability tool for apps built on LLMs — swap in one URL and it starts logging every AI call, tracking what it costs, and tracing multi-step agent workflows across OpenAI, Anthropic, Gemini and more.
spanlens.io
Alternatives to
Weave
Best alternatives to Weave in 2026
As more developers use AI coding assistants like Cursor or Claude Code to write parts of their codebase, engineering leaders increasingly don't know how much of their team's output is AI-generated, whether it's held to the same quality bar as human-written code, or whether it's actually making the team faster. Weave is built to answer those questions with real data instead of anecdotes. Weave is an engineering analytics platform that has analyzed 2M+ pull requests and code reviews to build engineer-level scoring of AI's impact on a team's output — tracking code turnover, quality metrics, and velocity, and routing analysis across multiple AI models (Deepseek, GPT-5, Claude) rather than relying on a single one. It includes an AI agent called Wooly that surfaces optimization insights, and it's built for compliance-sensitive environments with SOC 2 Type II, GDPR, and HIPAA certifications plus SSO/SAML/OIDC support. It's aimed at engineering organizations from early-stage startups to large enterprises, and already claims 500+ teams using it. Pricing is a free starter plan, Pro at $50 per engineer per month (with a 16.67% discount for annual billing), and custom Enterprise pricing. It's a very recent launch — as of this review it had gone live only days earlier, on July 24, 2026.
Quick comparison of Weave alternatives
| # | Tool | Best for | Price |
|---|---|---|---|
| 1 | Development teams building LLM-powered features who need multi-provider cost tracking, performance monitoring, and agent workflow tracing across multiple AI providers. | — | |
| 2 | Équipes ingénierie/SRE utilisant déjà ClickHouse ou cherchant une alternative open-source à Datadog | — | |
| 3 | Développeurs et équipes produit ayant besoin de génération, manipulation, extraction ou traduction de documents via API | — | |
| 4 | Ingénieurs IA, équipes produit et entreprises construisant des applications IA en production. | — | |
| 5 | Organisations et équipes sécurité, formateurs en cybersécurité, équipes d'exercices défense cyber. | — | |
| 6 | High-velocity engineering teams needing production debugging and monitoring without prohibitive per-host licensing costs | — | |
| 7 | Développeurs | — | |
| 8 | Développeurs | — | |
| 9 | Développeurs | — | |
| 10 | Chercheurs | Étudiants | — | |
| 11 | Développeurs | — | |
| 12 | Traders expérimentés | — | |
| 13 | Développeurs | Grand public | — | |
| 14 | Joueurs rétro | Fans de Zelda | — | |
| 15 | Développeurs | — | |
| 16 | Étudiants | — | |
| 17 | Grand public | — | |
| 18 | Passionnés de photographie | — | |
| 19 | Étudiants | — | |
| 20 | Développeurs | — |
#1
- ✓ One-line baseURL-swap integration
- ✓ Supports 10+ AI providers
#2
A free, open-source observability platform that unifies logs, metrics, traces, errors and session replays in one searchable interface — a self-hosted alternative to Datadog.
github.com
- ✓ Free and open-source, MIT license
- ✓ Unified logs/metrics/traces/replays UI out of the box
#3
A single API that handles the whole messy world of PDFs for you — generating them, merging or splitting them, pulling structured data out of them, even translating them — so you don't have to stitch together five different libraries to do document work.
inkspan.dev
- ✓ One API for PDF generation, manipulation, extraction, and translation
- ✓ 100 free documents per month, no credit card required
#4
An LLM engineering platform combining an AI gateway, observability, evaluations, and prompt management for teams running production AI applications.
respan.ai
- ✓ Routes to 1,000+ LLMs with automatic fallbacks and retries across providers
- ✓ Full observability of LLM, tool, and agent call chains with detailed traces
#5
A free, open-source toolkit for running realistic cyber defence training exercises, simulating a mini version of the internet — routing, DNS, and all — from a single program.
kryptogram.se
- ✓ Simple deployment via a single statically-compiled binary
- ✓ Full IPv4 and IPv6 support with BGP peering
#6
Open-source observability platform combining session replays, logs, traces, metrics, and errors in a unified interface. Built on ClickHouse and OpenTelemetry as a cost-effective alternative to Datadog and New Relic.
hyperdx.io
- ✓ Unifies multiple observability signals in one interface
- ✓ Usage-based pricing with no per-seat or per-host charges
FAQ about Weave alternatives
- What is the best alternative to Weave in 2026?
- Based on our selection, Spanlens is the best alternative to Weave in 2026. Observability tool for apps built on LLMs — swap in one URL and it starts logging every AI call, tracking what it costs, and tracing multi-step agent workflows across OpenAI, Anthropic, Gemini and more.. See our full ranking above to compare all options.
- Is Weave free?
- Weave is a paid tool. Several alternatives in our selection offer free or freemium versions.
- How many alternatives to Weave are there?
- mySelectas has listed 20 alternatives to Weave in the Data & Analytics category. Our selection is updated regularly to include the best options available.