# Mistral Small 3.1 24B

As of 15 September 2026, Mistral Small 3.1 24B costs $0.351 per million input tokens and $0.555 per million output tokens on OpenRouter. Observed on OpenRouter's own published price list on 15 September 2026. This is OpenRouter's resale price, not the model vendor's list price.

Source: OpenRouter (reseller)
Canonical page: https://bertrande.com/en/ai/openrouter/mistralai--mistral-small-3.1-24b-instruct/
Machine formats: https://bertrande.com/en/ai/openrouter/mistralai--mistral-small-3.1-24b-instruct/data.json | https://bertrande.com/en/ai/openrouter/mistralai--mistral-small-3.1-24b-instruct/data.csv
License: CC-BY-4.0, reuse with attribution and a link.

## Parameters

| Parameter | Value | Unit | Observed | Source level | Proof (SHA-256) |
|---|---|---|---|---|---|
| Input price | $0.351 | USD per 1M tokens | 2026-09-15 | L1 | `08c6e27b7535b9dc` |
| Output price | $0.555 | USD per 1M tokens | 2026-09-15 | L1 | `08c6e27b7535b9dc` |
| Context window | 128 000 | tokens | 2026-09-15 | L1 | `08c6e27b7535b9dc` |
| Maximum output | 102 400 | tokens | 2026-09-16 | L1 | `857cc1308658ce86` |
| Input modalities | image, text | list | 2026-09-18 | L1 | `62c152853524cc69` |
| Output modalities | text | list | 2026-09-18 | L1 | `62c152853524cc69` |
| Listed since | 2025-03-17 | date | 2026-09-18 | L1 | `62c152853524cc69` |
| Supported parameters | frequency_penalty, logit_bias, logprobs, max_tokens, min_p, presence_penalty, repetition_penalty, seed, stop, temperature, top_k, top_logprobs, top_p | list | 2026-09-18 | L1 | `62c152853524cc69` |

## How this is verified

Every value above was read from the source URL shown on the canonical page, on the date given. We store a SHA-256 fingerprint of the source content at that moment, which is what lets us show later what the source said that day.

No value here was produced, estimated or completed by a language model. Where we have no verified figure, the row is absent rather than filled in.

Method: https://bertrande.com/en/methodology/
Report an error: https://bertrande.com/en/corrections/