Mistral API SLA and Uptime: What Is Actually Committed
"What uptime does Mistral guarantee?" has a shorter answer than most teams expect — and the follow-up question, what you can promise your own customers on top of it, is the one that actually matters.
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Mistral is the provider European teams reach for when data residency is part of the requirement — and the same procurement process that asks where the inference runs will ask what uptime is committed to in writing.
This guide separates three things that get conflated constantly: what Mistral commits to contractually, what Mistral delivers in practice, and what you are able to promise downstream. They are different numbers, and only one of them is under your control.
The short version
Mistral does not publish a self-serve uptime guarantee with service credits. A contractual availability percentage exists on enterprise agreements, not on a pay-as-you-go key. Everything below is about how to work with that instead of around it.
What Mistral Commits To, by Tier
Availability commitments track your commercial relationship, not the technology. The same endpoint serving the same model carries a different obligation depending on which agreement you signed.
| Tier | Availability commitment | Appropriate for |
|---|---|---|
| Free / experiment keys | No availability commitment. Rate-limited and explicitly not intended for production traffic. | Evaluation only |
| Pay-as-you-go on La Plateforme | Standard commercial terms. Availability is operated to a high bar but not usually expressed as a negotiated percentage on self-serve. | Production with a fallback |
| Enterprise / self-deployed | Negotiated agreements, and the self-deployed path moves availability onto your own infrastructure entirely. | Contractual or sovereignty requirements |
Verify the current terms directly with Mistral before you rely on any of this commercially — provider terms change, and the version you signed is the one that governs.
Convert an Uptime Percentage Into Real Downtime
Percentages hide how little room a serious target leaves you. Before you write a number into a customer contract, convert it into the minutes you would have to detect, diagnose and recover in.
| SLA | Daily | Monthly | Yearly |
|---|---|---|---|
| 99% | 14m | 7h 12m | 3d 15h 36m |
| 99.5% | 7m | 3h 36m | 1d 19h 48m |
| 99.9% | 1m | 43m | 8h 46m |
| 99.95% | 43.2s | 22m | 4h 23m |
| 99.99% | 8.6s | 4m | 53m |
| 99.999% | 0.9s | 25.9s | 5m |
The practical read: at 99.9% you have roughly 43 minutes a month, which a single bad deploy can consume. At 99.99% you have about four minutes — no human-in-the-loop response fits in that window, so the recovery has to be automatic. If your Mistral integration has no automatic failover, do not promise four nines.
Declared Uptime vs Observed Uptime
A provider status page is a publishing decision, not a measurement. status.mistral.ai reflects incidents Mistral has chosen to declare, after an internal threshold has been crossed and confirmed. Your users experience something narrower and earlier: the requests you sent, from your region, to the specific models you call.
The gap between those two is where most real incidents live. The typical Mistral failure mode is elevated error rates on a subset of models while the rest of the platform serves normally — which frequently never becomes a status-page entry at all, while still breaking your product for the users who hit it.
- Declared uptime — what status.mistral.ai reports. Useful for postmortems, useless for alerting.
- Observed uptime — success rate of your own synthetic requests. This is the number your SLA math needs.
- Effective uptime — the share of user requests that got a usable answer, including ones your fallback path rescued. This is what your customers actually feel.
Effective uptime is the only one of the three you can improve without Mistral doing anything, which is why it is the one worth engineering against.
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How to Measure Your Own Mistral Availability
- Probe the endpoint you actually call. A health check against the marketing site tells you nothing about the API. Send a real, minimal completion request against the production model.
- Set a timeout that reflects your product. A response that arrives after your user gave up is downtime even though it returned 200. Count anything over your latency budget as a failure.
- Separate the error classes. 429 is your quota, 401 is your key, 5xx and timeouts are the provider. Only the third class belongs in an availability number.
- Probe from more than one region. Single-region monitoring turns your own network problems into false outages and misses regional degradation entirely.
- Retain the raw request log. Timestamps and status codes are the evidence any future credit claim or customer postmortem depends on. Aggregated dashboards are not evidence.
This is exactly what API Status Check does continuously for Mistral and the rest of your provider stack — independent probes, per-error-class breakdowns, and a retained history you own rather than one the provider curates.
What You Can Promise Downstream
A single-provider dependency caps your achievable availability at your provider's. You cannot commit to more than your weakest link — unless you remove the single point of failure. Composite availability is multiplicative: two independent 99.9% dependencies in series give you about 99.8%, not 99.9%.
Two providers in parallel invert that math. If either can serve the request, your availability approaches the probability that both fail simultaneously, which for independent providers is small enough to change what you can honestly sign.
Before you sign an uptime commitment
- Confirm a fallback provider is configured, credentialed, and tested — not just documented.
- Define the degraded response your product returns when every provider fails. Failing soft beats a 500.
- Exclude scheduled maintenance and your own deploys explicitly, the way real SLAs do.
- Make sure your monitoring can prove the number you signed, before you need to.
Failover Targets for Mistral
A fallback only helps if it fails independently. A second key on the same provider shares the same control plane and the same bad day.
Groq
Independent control plane and capacity pool. A viable failover target when Mistral availability drops below your own commitment.
Check Groq status →Together AI
Independent control plane and capacity pool. A viable failover target when Mistral availability drops below your own commitment.
Check Together AI status →OpenAI
Independent control plane and capacity pool. A viable failover target when Mistral availability drops below your own commitment.
Check OpenAI status →Keep the fallback warm. A failover path that has not served a real request in three months is a hypothesis, not a mitigation.
Frequently Asked Questions
Does Mistral have a published uptime SLA?
Mistral does not advertise a public uptime percentage on its self-serve tiers the way a cloud provider publishes one for compute. A contractual availability commitment with service credits is something you negotiate on an enterprise agreement. If you are on a free or pay-as-you-go key, treat the practical availability as high but uncommitted, and design a fallback path rather than relying on a guarantee that is not in your contract. Always read the current terms at the time you sign — provider terms change, and a blog post is not a contract.
What uptime does Mistral actually deliver in practice?
The honest answer is that only measured data tells you. status.mistral.ai shows Mistral-declared incidents, but provider status pages under-report short degradations and are updated by the provider, not by you. The number that matters for your own SLA math is the availability your requests observe from your region, on the models you actually call. Measure it independently and you will usually find the gap between declared and observed uptime is where your incidents live.
What does 99.9% uptime mean in real downtime for Mistral?
99.9% allows about 43 minutes of downtime per 30-day month, or roughly 8 hours 45 minutes per year. 99.95% halves that to about 21 minutes a month. 99.99% allows about 4 minutes 20 seconds a month, which is less time than most teams need to notice an incident, let alone respond to it. Use the calculator on this page to convert any target into minutes before you commit to it in a customer contract.
Can I promise my customers an SLA if Mistral does not give me one?
You can, but only if your architecture — not your provider — is what backs the promise. A single-provider dependency caps your achievable availability at whatever Mistral delivers, and you cannot commit to more than your weakest link. Teams that promise uptime on top of an LLM API do it with a second provider configured for failover, aggressive timeouts, cached or degraded responses, and a circuit breaker that fails soft instead of returning a 500.
How do I claim service credits for Mistral downtime?
Service credits only exist where a contract creates them, so this applies to enterprise agreements. Where they do exist, credits are almost never automatic — you have to file a claim within a defined window, usually 30 days, with evidence of the failed requests. That evidence has to be your own monitoring data with timestamps and error codes; a screenshot of the provider's status page is not a claim. This is the single most common reason otherwise valid credit claims are denied.
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