Products

Spanlens

AI-native

Every model call, on the record.

spanlens.io SourceMITAI Models & Agents / Prompts, Evals & LLM Observability

AI Benchmark
Desktop
Mobile
Monthly visits
<5K
Oct 2026
Public revenue
Undisclosed
No public revenue evidence yet
Entry price
$29/mo
Higher than 53% of peersNiche median $21.6/mo
Creators
Haeseong Jeon
@spanlens· 18 followers
Launched
6mo ago
2026-06-03 · Est.

Traffic

Last 12 months
Monthly visitsData through Oct 2026
Events1 marketing move

Marketing moves

Launches, search & content, referrals, promotions
X accounts@spanlens

  • Launched on Product HuntLaunch

    Open-source LLM observability in one line of code

    Jun 3 · 6mo agoLaunch page

Open Source & Agent Ecosystem

GitHub · MCP / Skill
spanlens/Spanlens
Last commit 2026-10-26
GitHub Stars
Public repo
Forks
—
License
MIT
Primary language
JavaScript
Browse peer open-source projects →

Agent, MCP & Developer Integration

CLI / SDK
Integration docs
Ecosystem & integrations:
OpenAIAnthropicGeminiGroqMistralXAIOpenRouterOllamaDockerSlack
Exposed tool capabilities:
Agent MonitoringToken TrackingRequest loggingCost trackingAgent tracingExact-match caching
Browse developer & CLI tools →

Traffic sources

Oct 2026

Traffic breakdown

Channels

No data yet

Countries

No data yet

Search

Domain authority —Domain registered 2026-04-21

KeywordMonthly volume
gemini proxy api340

Traffic data: Vaneform

Pricing

Free
Free
50K req / mo · 14 day retention · 1 seat · 1 workspace · Unlimited projects
Pro
$29/mo
100K req / mo · 90 day retention · 3 seats · 2 workspaces · Unlimited projects · 5 alerts
Team
$149/mo
1M req / mo · 365 day retention · 10 seats · 5 workspaces · Unlimited projects · Unlimited alerts
Enterprise
Contact sales
Custom volume & rate limits · 365 day retention (extendable) · Unlimited seats · Unlimited workspaces · Unlimited projects · Unlimited alerts

Trial: None · Free tier included · 2 paid tiers ($29–$149) · Enterprise custom tier · Observed 2026-11-01 · Pricing page

Entry price $29/mo, Higher than 53% of peers; “Prompts, Evals & LLM Observability” median is $21.6/mo.View pricing benchmark

Pages & changes

Tracked since 2026-06-03

Key pages

Weekly snapshots
www.spanlens.io/ Snapshot 2026-11-03

Changes

No pricing, plan, or positioning changes detected since tracking started.

Questions & evidence

How much does Spanlens cost?
Free: Free; Pro: $29/mo; Team: $149/mo; Enterprise: Contact sales. Observed 2026-11-01. Check the source for current billing terms, usage limits and taxes.Source
How much website traffic does Spanlens get?
Vaneform estimates <5K website visits in 2026-10. Visits can include repeat visits; this estimate measures web traffic separately from paying customers or revenue.Source
What is Spanlens and what platforms does it support?
Spanlens is catalogued under Prompts, Evals & LLM Observability: Every model call, on the record.. Supported platforms: CLI / SDK.
Is Spanlens open source?
Spanlens has a public repository (https://github.com/spanlens/Spanlens) under the MIT license.Source

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