| Provider | OpenRouter |
|---|---|
| Model ID | openrouter/free |
| Prompt Price per 1M tokens | $0 |
| Completion Price per 1M tokens | $0 |
| Sample Workload Cost 1M input + 500K output | $0 |
| Context Window | 200K |
| Release Date |
Free Models Router
OpenRouter API model specs with normalized input price, output price, context window, sample workload cost, and related comparisons.
Page updated:
Data confirmed:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget brief
Free Models Router is estimated at $0 for the standard workload.
Free Models Router is best suited for free or experimental evaluation. A 1M input token plus 500K output token workload is estimated at $0.
Input price$0per 1M tokens
Output price$0per 1M tokens
Context window200Kreported maximum
Releasecatalog timestamp
Use this as a first-pass planning estimate, then verify provider limits, routing, discounts, and availability before production deployment.
Estimate your workload cost
Estimate this model for your workload
This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.
Alternative path
Alternative Shortlist
Use these rows to build a test shortlist around Free Models Router. Lower cost, same-provider fit, and larger context are separate decisions, so each group is ranked by a different signal.
Lower-cost alternatives
Cross-provider candidates with a lower standard 1M input plus 500K output estimate.
| Model | Provider | Sample Cost | Context | Why it is here | Next Step |
|---|---|---|---|---|---|
| No lower-cost cross-provider alternative is currently tracked for this model. | |||||
Same-provider swaps
Lower-cost options from the same provider, useful when account setup or procurement is already fixed.
| Model | Provider | Sample Cost | Context | Why it is here | Next Step |
|---|---|---|---|---|---|
| No lower-cost same-provider swap is currently tracked for this model. | |||||
Larger-context upgrades near this budget
Models with more context that stay within a close sample-cost band when price data is available.
| Model | Provider | Sample Cost | Context | Why it is here | Next Step |
|---|---|---|---|---|---|
| 🔥Owl Alpha | OpenRouter | $0 | 1.05M | More context while staying near this model's sample-cost band. | Open model Compare |
| Lyria 3 Pro Preview | $0 | 1.05M | More context while staying near this model's sample-cost band. | Open model Compare | |
| Lyria 3 Clip Preview | $0 | 1.05M | More context while staying near this model's sample-cost band. | Open model Compare | |
| DeepSeek V4 Flash (free) | DeepSeek | $0 | 1.05M | More context while staying near this model's sample-cost band. | Open model Compare |
The simplest way to get free inference. openrouter/free is a router that selects free models at random from the models available on OpenRouter. The router smartly filters for models that...
Free Models Router is best suited for free or experimental evaluation.
A 1M input token plus 500K output token workload is estimated at $0.
Decision Shortcuts
Compare this model
Search head-to-head pages that include Free Models Router and review input price, output price, context, and sample workload cost.
Find comparisonsOpenRouter catalog
See other OpenRouter models before narrowing your shortlist.
Open provider hubCheaper alternatives
Start from models sorted by a standard cost estimate when budget is the first constraint.
Browse low-cost modelsLong-context alternatives
Compare large-context models for retrieval, documents, and codebase review.
Browse long-context modelsHigh-Interest Comparisons
Search this model| Comparison | Cost-first Pick | Context Pick |
|---|---|---|
| 🔥Owl Alpha vs Free Models Router | Tie | Owl Alpha |
| GLM 5.1 vs Free Models Router | Free Models Router | GLM 5.1 |
| Mistral Small 4 vs Free Models Router | Free Models Router | Mistral Small 4 |
| 🔥MiMo-V2.5 vs Free Models Router | Free Models Router | MiMo-V2.5 |
| Ring-2.6-1T vs Free Models Router | Free Models Router | Ring-2.6-1T |
| 🔥DeepSeek V4 Pro vs Free Models Router | Free Models Router | DeepSeek V4 Pro |
| 🔥Hy3 preview vs Free Models Router | Free Models Router | Hy3 preview |
| Nemotron 3 Super (free) vs Free Models Router | Tie | Nemotron 3 Super (free) |
Popular Comparisons
Search all comparisons| Comparison | Newest Release |
|---|---|
| 🔥Claude Opus 4.7 vs Free Models Router | |
| 🔥DeepSeek V3.2 vs Free Models Router | |
| 🔥DeepSeek V4 Pro vs Free Models Router | |
| 🔥Gemini 2.5 Flash Lite vs Free Models Router | |
| Gemini 3.1 Flash Lite Preview vs Free Models Router | |
| Gemma 4 26B A4B vs Free Models Router | |
| Gemma 4 31B vs Free Models Router | |
| GLM 5.1 vs Free Models Router | |
| GPT-5.4 Nano vs Free Models Router | |
| GPT-5.5 Pro vs Free Models Router |