Mistral Small 4 is the next major release in the Mistral Small family, unifying the capabilities of several flagship Mistral models into a single system. It combines strong reasoning from Magistral, multimodal understanding from Pixtral, an…
Model details →Mistral: Mistral Small 4 vs Free Models Router
Free Models Router wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
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 support features needed for your request such as imag…
Model details →Side-by-side comparison
| Capability | Mistral: Mistral Small 4 | Free Models Router | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 262K | 200K | 🏆 Mistral: Mistral Small 4 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.15 | $0.00 | 🏆 Free Models Router |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.60 | $0.00 | 🏆 Free Models Router |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is Mistral: Mistral Small 4 better than Free Models Router?
Free Models Router wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Mistral: Mistral Small 4 and Free Models Router?
Input: $0.15 vs $0.00 per 1M tokens. Output: $0.60 vs $0.00 per 1M tokens.
What context windows do Mistral: Mistral Small 4 and Free Models Router support?
Mistral: Mistral Small 4 supports up to 262K tokens. Free Models Router supports up to 200K tokens.
Do both Mistral: Mistral Small 4 and Free Models Router support tool calling?
Mistral: Mistral Small 4: yes. Free Models Router: yes.