AI MODEL ATLAS · DECISION PAGE
Free LLM API models
Models listing zero prompt and completion prices.
OBJECT ID
asca:openrouter-model-page-free-llm-api@2026-09-01.v1FETCHED
STATUSREPRODUCIBLE SNAPSHOT
QUESTION · METHOD
Free LLM API models
Keep prompt price = 0 and completion price = 0; preserve top-weekly order.
OBSERVED MODELS · 10 SHOWN
Comparable fields from one dated catalog snapshot
| Rank / order | Model | Input / 1M | Output / 1M | Request | Context | Tools | Structured |
|---|---|---|---|---|---|---|---|
| 7 | NVIDIA: Nemotron 3 Ultra (free) | $0.00 | $0.00 | $0.00 | 1M | Yes | No |
| 10 | MiniMax: MiniMax M3 (free) | $0.00 | $0.00 | $0.00 | 1.05M | Yes | No |
| 18 | Poolside: Laguna S 2.1 (free) | $0.00 | $0.00 | $0.00 | 262.14K | Yes | No |
| 22 | NVIDIA: Nemotron 3.5 Lightning (free) | $0.00 | $0.00 | $0.00 | 1M | Yes | No |
| 33 | NVIDIA: Nemotron 3 Super (free) | $0.00 | $0.00 | $0.00 | 262.14K | Yes | Yes |
| 39 | Ling 3.0 Flash Fin (free) | $0.00 | $0.00 | $0.00 | 262.14K | Yes | No |
| 43 | MiniMax: MiniMax M2.7 (free) | $0.00 | $0.00 | $0.00 | 196.61K | Yes | No |
| 51 | Thinking Machines: Inkling (free) | $0.00 | $0.00 | $0.00 | 1.05M | Yes | No |
| 53 | Dots Studio: Dots3-Note Preview (free) | $0.00 | $0.00 | $0.00 | 512K | Yes | Yes |
| 62 | Cohere: North Mini Code (free) | $0.00 | $0.00 | $0.00 | 256K | Yes | No |
Prices are listed USD per token converted to USD per 1M tokens. Request fee is a separate listed field; it is not included in derived text-token cost. A free listing means zero listed token price in this snapshot, not unlimited access.
RANGE · BIAS · LIMIT · CONFIDENCE
- Observed range: 21 matching catalog records; 10 shown.
- Bias: OpenRouter catalog and routing availability bias.
- Limitation: Free listing can change, have limits or queueing, and does not imply provider-direct access or quality.
- Confidence: high for the recorded response and stated transformation.
DOWNLOAD · VERIFY · CITE
Keep the snapshot and object ID with the decision.
“Keep prompt price = 0 and completion price = 0; preserve top-weekly order.”— asca:openrouter-model-page-free-llm-api@2026-09-01.v1
RELATED DECISION PAGES
- Cheapest paid LLM API models
- Long-context LLMs for a 128K + 4K workload
- Tool-calling compatible models
- Structured-output compatible models
- Vision-language models
- Free LLM API models
- Most popular AI models by OpenRouter weekly order
- Fastest LLM API models by OpenRouter order
- Coding AI models by OpenRouter order
- Agentic AI models by OpenRouter order
- Lowest-cost models among OpenRouter's top 100 coding order
- Lowest-cost models among OpenRouter's top 100 agentic order
- Tool-calling models with at least one million context tokens
- Image-input models with tool-calling support
- Models declaring both tools and structured outputs