What this shortlist means
The inclusion rules are visible and intentionally narrow.
- 01
Inclusion rule
The model protocol is recorded as OpenAI compatible.
- 02
Inclusion rule
The provider has an active reviewed application profile.
- 03
Inclusion rule
Each row links to the exact model ID and key path.
Important limit: Compatibility is not equivalence. Streaming, tool calls, structured output, embeddings and Responses API behavior may differ by provider and model.
Matching candidates
Live catalog results with provider evidence dates and the limits you should read before signup.
| Model and provider | Why it matches | Evidence and limits | Next steps |
|---|---|---|---|
| GLM-5.2 NVIDIA NIM z-ai/glm-5.2 | OpenAI compatible Developer access | Official sources: 2026-07-28 Not listed in the official quickstart Up to 40 RPM; account limits may differ Independent Canary pending | |
| Qwen3.6 27B GroqCloud qwen/qwen3.6-27b | OpenAI compatible No-card free plan | Official sources: 2026-07-28 Not required for the Free plan Model and organization specific Independent Canary pending | |
| DeepSeek R1 SiliconFlow deepseek-ai/DeepSeek-R1 | OpenAI compatible Starter credits / free-model policy | Official sources: 2026-07-28 Not listed as required for starter access Model and account specific Independent Canary pending | |
| GPT-OSS 120B Cerebras Inference gpt-oss-120b | OpenAI compatible Payment-verified starter credits | Official sources: 2026-07-28 Verified payment method required for starter credits Plan and model specific Independent Canary pending | |
| Cohere: North Mini Code (free) OpenRouter cohere/north-mini-code:free | OpenAI compatible Official zero-priced route | Official sources: 2026-07-28 Not required to create a key OpenRouter free-tier limits Model route documented | |
| Free Models Router OpenRouter openrouter/free | OpenAI compatible Official zero-priced route | Official sources: 2026-07-28 Not required to create a key OpenRouter free-tier limits Model route documented | |
| Google: Gemma 4 26B A4B (free) OpenRouter google/gemma-4-26b-a4b-it:free | OpenAI compatible Official zero-priced route | Official sources: 2026-07-28 Not required to create a key OpenRouter free-tier limits Model route documented | |
| Google: Gemma 4 31B (free) OpenRouter google/gemma-4-31b-it:free | OpenAI compatible Official zero-priced route | Official sources: 2026-07-28 Not required to create a key OpenRouter free-tier limits Model route documented | |
| Google: Lyria 3 Clip Preview OpenRouter google/lyria-3-clip-preview | OpenAI compatible Official zero-priced route | Official sources: 2026-07-28 Not required to create a key OpenRouter free-tier limits Model route documented | |
| Google: Lyria 3 Pro Preview OpenRouter google/lyria-3-pro-preview | OpenAI compatible Official zero-priced route | Official sources: 2026-07-28 Not required to create a key OpenRouter free-tier limits Model route documented | |
| LiquidAI: LFM2.5-2.6B (free) OpenRouter liquid/lfm-2.5-2.6b:free | OpenAI compatible Official zero-priced route | Official sources: 2026-07-28 Not required to create a key OpenRouter free-tier limits Model route documented | |
| NVIDIA: Nemotron 3 Nano 30B A3B (free) OpenRouter nvidia/nemotron-3-nano-30b-a3b:free | OpenAI compatible Official zero-priced route | Official sources: 2026-07-28 Not required to create a key OpenRouter free-tier limits Model route documented | |
| NVIDIA: Nemotron 3 Nano Omni (free) OpenRouter nvidia/nemotron-3-nano-omni-30b-a3b-reasoning:free | OpenAI compatible Official zero-priced route | Official sources: 2026-07-28 Not required to create a key OpenRouter free-tier limits Model route documented | |
| NVIDIA: Nemotron 3 Super (free) OpenRouter nvidia/nemotron-3-super-120b-a12b:free | OpenAI compatible Official zero-priced route | Official sources: 2026-07-28 Not required to create a key OpenRouter free-tier limits Model route documented | |
| NVIDIA: Nemotron 3 Ultra (free) OpenRouter nvidia/nemotron-3-ultra-550b-a55b:free | OpenAI compatible Official zero-priced route | Official sources: 2026-07-28 Not required to create a key OpenRouter free-tier limits Model route documented | |
| NVIDIA: Nemotron 3.5 Content Safety (free) OpenRouter nvidia/nemotron-3.5-content-safety:free | OpenAI compatible Official zero-priced route | Official sources: 2026-07-28 Not required to create a key OpenRouter free-tier limits Model route documented | |
| NVIDIA: Nemotron 3.5 Lightning (free) OpenRouter nvidia/nemotron-3.5-lightning:free | OpenAI compatible Official zero-priced route | Official sources: 2026-07-28 Not required to create a key OpenRouter free-tier limits Model route documented | |
| NVIDIA: Nemotron Nano 12B 2 VL (free) OpenRouter nvidia/nemotron-nano-12b-v2-vl:free | OpenAI compatible Official zero-priced route | Official sources: 2026-07-28 Not required to create a key OpenRouter free-tier limits Model route documented | |
| NVIDIA: Nemotron Nano 9B V2 (free) OpenRouter nvidia/nemotron-nano-9b-v2:free | OpenAI compatible Official zero-priced route | Official sources: 2026-07-28 Not required to create a key OpenRouter free-tier limits Model route documented | |
| OpenAI: gpt-oss-20b (free) OpenRouter openai/gpt-oss-20b:free | OpenAI compatible Official zero-priced route | Official sources: 2026-07-28 Not required to create a key OpenRouter free-tier limits Model route documented | |
| Poolside: Laguna S 2.1 (free) OpenRouter poolside/laguna-s-2.1:free | OpenAI compatible Official zero-priced route | Official sources: 2026-07-28 Not required to create a key OpenRouter free-tier limits Model route documented | |
| Poolside: Laguna XS 2.1 (free) OpenRouter poolside/laguna-xs-2.1:free | OpenAI compatible Official zero-priced route | Official sources: 2026-07-28 Not required to create a key OpenRouter free-tier limits Model route documented |