Alternatives
10 best LM0 API alternatives
Tools that cover the same task as LM0 API (model and tool gateway), ranked by how completely their pricing, free tier and API access are documented. Checked Oct 9, 2026.
- LM0 API starts at
- Not listed
- Free plan
- Free to start
- API
- API available
- 01
Gate by Constellation
Gate sits between agents and model providers to log requests, compress context and optionally screen content. Its Connect desktop app advertises routing existing coding tools, while the gateway supports provider keys or prepaid model usage.
Best for: Relevant to developers comparing gateway costs and screening on representative safe test requests.
- 02
Auriko
Auriko provides an OpenAI-compatible model gateway with provider routing, fallback, key orchestration and cost analytics. It supports user-supplied or platform keys and configurable objectives such as cost, latency and data policy.
Best for: Relevant to developers comparing cost and latency of equivalent model requests with an explicit data policy.
- 03
ApyHub AI APIs
ApyHub hosts a catalog of certified AI APIs—including text generation, summarization, vision, and HR parsers—under one MCP-ready subscription. Developers call production APIs with unified billing and a free starter tier.
Best for: Product teams that want ready-made AI microservices instead of operating separate vendor contracts per feature.
- 04
RunInfra
RunInfra provides hosted open models through OpenAI- and Anthropic-compatible APIs. It offers prepaid token billing and workspace coding plans, with session-aware caching and separately reported cached-token usage.
Best for: Relevant to developers measuring open-model compatibility and real billed usage for their own workloads.
- 05
Kompy
Plans meter monthly credits with concurrency and request-rate limits for developers and AI agents.
Best for: Developers and agent builders who need structured Walmart catalog and pricing history without maintaining scrapers.
- 06
Toolport
Toolport connects MCP servers to multiple AI clients through one local gateway, manages reconnection and OS-keychain credentials, and flags changed tools. Optional sharing synchronizes server configuration while credentials remain per user.
Best for: Relevant to developers sharing MCP configuration across agents and devices without sharing upstream secret values.
- 07
VerdictKit
VerdictKit provides an independent playground for typed AI decisions, with request building and clearly labelled example JSON.
Best for: Fits developers evaluating classifications on examples and routing uncertain answers to people.
- 08
geoapify.com
Geoapify is a location platform offering maps, geocoding, routing, isochrones, and places APIs backed by a credit-based billing model. Developers start on a free daily quota and scale through tiered API plans with published rate limits and support levels.
Best for: Product teams embedding maps, geocoding, or routing who want vendor-managed location data with predictable credit tiers.
- 09
Token Harbor
Token Harbor exposes several model providers through one OpenAI-compatible API with free routes and paid usage passes. Users choose model IDs, review usage allowances and decide whether calls pause or continue from a paid balance at the pass limit.
Best for: Relevant to developers comparing model routes while controlling allowance exhaustion and data handling.
- 10
Actx0
Actx0 stores agent sessions and extracts compact memories for semantic retrieval before the next model reply. Managed workspaces include knowledge search, memory consolidation, keys, audit events and usage tracking.
Best for: Relevant to developers retrieving bounded context instead of replaying full chat transcripts.
LM0 API alternatives: common questions
What is the best free alternative to LM0 API?
Gate by Constellation has an ongoing free plan. Free forever gateway tier:20,000 recorded requests/month,30-day logs and90-day metrics. Models and standalone security scans billed separately. Free plans change, so check the vendor before relying on one.
What is the cheapest LM0 API alternative?
Token Harbor has the lowest listed starting price at $1.99/mo.
Which LM0 API alternatives have an API?
Gate by Constellation, Auriko, ApyHub AI APIs, RunInfra, Kompy mention API or developer access.