Mistral Small 4 (batch) API Pricing
Mistral · context window 262K · prices updated 2026-09-15
Where Mistral Small 4 (batch) sits on price
At $0.3 per million output tokens, Mistral Small 4 (batch) is a budget tier model — 6.9× cheaper than the median output price of $2.08, which puts it cheaper than 88% and pricier than 12% of the models we track. It sits 9th cheapest of the 25 Mistral models we track. Output costs 4.0× input, the usual spread — trim both, starting with the answer length.
Cached input is 90% cheaper. On an input-heavy workload you need roughly a 28% cache-hit rate to take 25% off the input line — reachable for chatbots and agents that resend the same system prompt and history.
What real workloads cost on Mistral Small 4 (batch)
These three workloads are the ones teams actually run on a budget-priced model — a $0.3/1M model is not bought for the same job as one ten times the price.
| Workload | Per request | Per month |
|---|---|---|
| High-volume classification — 200K requests/day (400 in / 20 out) Short output, huge volume: the input price dominates the bill. | $0 | $216 |
| Small app — 1K requests/day (500 in / 150 out) The baseline most side projects actually run at. | $0.0001 | $2.48 |
| Document pipeline — 10K docs/day (3K in / 500 out) Batch-friendly: no user waiting, so a ~50% batch discount usually applies. | $0.0004 | $113 |
Model your exact traffic in the API cost calculator — it preloads Mistral Small 4 (batch) with caching and batch options.
Mistral Small 4 (batch) price history
Mistral last cut Mistral Small 4 (batch)'s output price on Sep 10, 2026 (-50% per output token), from $0.15/$0.6 to $0.075/$0.3 per 1M in/out. That is the only repricing in the 18 days we have tracked it — worth knowing before you hard-code today's rate into a budget.
| Date | Input /1M | Output /1M | Output change |
|---|---|---|---|
| Aug 28, 2026 (tracking began) | $0.15 | $0.6 | — |
| Sep 10, 2026 | $0.075 | $0.3 | -50% |
Change-points from our daily price snapshots (tracking since Aug 28, 2026; intraday moves between snapshots are not captured).
Mistral Small 4 (batch) vs Gemma 4 26B A4B
The closest-priced alternative from another vendor is Gemma 4 26B A4B (Google) — priced within a rounding error on output, with $0.015 more per million input tokens. When two models land this close on price, the decision is quality on your own workload, not the price sheet: run 50 real requests through both and compare.
See Gemma 4 26B A4B pricing →Cheaper alternatives
More Mistral models
Frequently asked questions
› How much does the Mistral Small 4 (batch) API cost?
Mistral Small 4 (batch) costs $0.075 per million input tokens and $0.3 per million output tokens, with cached input at $0.0075 per million (90% cheaper). That works out to roughly 3,333,333 output tokens per dollar.
› What does the high-volume classification workload cost on Mistral Small 4 (batch)?
High-volume classification — 200K requests/day (400 in / 20 out) costs about $0 per request and $216 per month on Mistral Small 4 (batch). Short output, huge volume: the input price dominates the bill.
› What does it cost to fill Mistral Small 4 (batch)'s 262K context window?
Sending 262K of input in a single request costs $0.0197 at $0.075 per million tokens — before any output. With prompt caching that same fill drops to about $0.002 on repeat requests. This is why large context windows are cheap to advertise and expensive to actually use.
› Is Mistral Small 4 (batch) worth the price?
Mistral Small 4 (batch) is in the cheapest end of the market — cheaper than 88% of the models we track. At this price the question is not cost but capability: it is a good fit for classification, extraction, routing and bulk summarisation, and a poor fit for multi-step reasoning where a wrong answer costs more than the tokens saved.