OpenRouter alternatives: AI API aggregator and gateway options compared on model coverage, billing units, free tiers, OpenAI compatibility, rate limits and migration effort.
-
Updated
Sep 20, 2026 - Python
OpenRouter alternatives: AI API aggregator and gateway options compared on model coverage, billing units, free tiers, OpenAI compatibility, rate limits and migration effort.
LLM gateway comparison: self-hosted and managed AI API gateways compared on protocol compatibility, billing units, timeout and retry semantics, idempotency, quotas and observability.
AI API aggregator companion: machine-readable catalog of 300+ models behind one key and one base URL, with routing patterns, cost accounting, OpenAI SDK and curl examples.
Seedance 2.0 API (seedance-2.0 / seedance-2.0-mini / seedance-2.0-fast): per-second pricing by resolution, text-to-video and image-to-video examples, parameters and limits.
Grok Image API (Grok Imagine 1.5, grok-imagine-1.5-apimart): model ids, per-image pricing, text-to-image and edit routes, moderation behaviour and runnable API examples.
Claude Opus 5 API (claude-opus-5): model id, per-million-token pricing, cache write and cache read rates, streaming and Anthropic-style requests through an OpenAI-compatible gateway.
Unified AI API model catalog: machine-readable JSON for 300+ models behind one OpenAI-compatible API, with modality, billing unit, per-image, per-second and per-token pricing and doc links.
OpenAI-compatible API migration kit: drop-in /v1/images/generations and chat examples, a compatibility matrix, rollback switches and a checklist for moving workloads between AI API gateways.
Nano Banana Pro API (gemini-3-pro-image-preview): model id, per-image pricing, aspect ratios, resolution tiers, curl, Python and JavaScript examples with async task polling.
GPT-5.5 API (gpt-5.5 / gpt-5.5-pro): model ids, per-million-token pricing, context limits, streaming, tool calling and OpenAI-compatible base URL examples.
Seedance 2.5 API (seedance-2.5): per-second pricing by resolution, up to 30-second text-to-video and reference-media workflows, with cURL and Python examples and measured costs.
Grok Imagine API guide: image generation and editing on the grok-imagine routes, per-image pricing, prompt recipes with example renders and async task polling examples.
AI API proxy SDK for Python: retry with idempotency keys, rate-limit backoff, task polling, cost accounting and typed errors for OpenAI-compatible AI API gateways.
Nano Banana Pro prompts: tested prompt recipes with example renders, aspect ratios, the model id (gemini-3-pro-image-preview) and the cost each render reported.
AI API gateway pricing: image2.5 $0.0085/image, Seedance 2.0 Mini $0.0106/sec, LLM tokens from $0.0229/M. One OpenAI-compatible key, $1 minimum top-up, per-call cost in every respo
wan-3.0-video API (wan3.0video / wan 3.0 video): 480P $0.0329; 720P $0.0658; default $0.1315. Model id, api settings, curl and Python examples over an OpenAI-compatible gateway, $1
flux-2 API (flux2 / flux 2): 1MP $0.024; 2MP $0.036; 3MP $0.048. Model id, prompts settings, curl and Python examples over an OpenAI-compatible gateway, $1 minimum top-up.
kling-3 API (kling3 / kling 3): default $0.0672; pro $0.0896; sound $0.1008. Model id, prompts settings, curl and Python examples over an OpenAI-compatible gateway, $1 minimum top-
hailuo-2.3 API (hailuo2.3 / hailuo 2.3): default $0.0248; 1080P $0.0424. Model id, gateway settings, curl and Python examples over an OpenAI-compatible gateway, $1 minimum top-up.
Passerelle/relais API — guide en français · AI API gateway pricing: image2.5 $0.0085/image, Seedance 2.0 Mini $0.0106/sec, LLM tokens from $0.0229/M. One OpenAI-compatible key, $1 minimum top-up, per-call cost in every respo
To associate your repository with the apimart topic, visit your repo's landing page and select "manage topics."