Grok 4 vs Mistral Small 3.2 24B

xAI · US  |  Mistral AI · France · Updated June 2026

Quick verdict

Pick Grok 4 for 256k context with native tool use or real-time data via x integration. Pick Mistral Small 3.2 24B for extremely cheap open-weight model at about $0.075/$0.20 hosted or self-hostable under apache-2.0 with no per-token cost. Choose Mistral Small 3.2 24B if you need self-hosting or data privacy; Grok 4 if you want a managed API.

Grok 4 (xAI, US) and Mistral Small 3.2 24B (Mistral AI, France) line up two different AI ecosystems against each other — a comparison that is as much about cost philosophy and openness as raw capability. Grok 4 is xAI's 2M-context model with live data access and strong reasoning chops. Mistral Small 3.2 24B is mistral's Apache-2.0 open 24B model at about $0.075/$0.20 hosted — very cheap and self-hostable, sized for volume over frontier quality. They diverge most on price and open vs. closed weights — each quantified below from the models' real specs.

Key differences at a glance

Side-by-side specs

SpecGrok 4Mistral Small 3.2 24B
ProviderxAI (US) Mistral AI (France)
ReleasedJuly 9, 2025 June 20, 2025
Context window256K (~384 pages) 256K (~384 pages)
Price (in/out)$3/$15 per 1M tokens $0.075/$0.2 per 1M tokens
Open weight?No — API only Yes — self-hostable
Modalitiestext, image, code text, image, code
SWE-Bench VerifiedNot published Not published
MRCR v2 @ 1MNot published Not published

Who wins what

256K context with native tool use

Grok 4

Mistral Small 3.2 24B is comparatively weak here — context reported as 256K but some references cite 128K native

Real-time data via X integration

Grok 4

XAI's 2M-context model with live data access and strong reasoning chops — and it is the newer of the two.

Strong academic reasoning

Grok 4

Grok 4 lists strong academic reasoning among its strengths; Mistral Small 3.2 24B does not.

Extremely cheap open-weight model at about $0.075/$0.20 hosted

Mistral Small 3.2 24B

At $0.075/$0.2 per 1M tokens it undercuts Grok 4 ($3/$15 per 1M tokens), and that gap compounds at volume.

Self-hostable under Apache-2.0 with no per-token cost

Mistral Small 3.2 24B

Open weights make this possible at all — Grok 4 is API-only, so it cannot leave the vendor's servers.

Instruction following and function calling at 24B scale

Mistral Small 3.2 24B

Mistral's Apache-2.0 open 24B model at about $0.075/$0.20 hosted — very cheap and self-hostable, sized for volume over frontier quality — and it runs cheaper at $0.075/$0.2 per 1M tokens.

Lowest cost at scale

Mistral Small 3.2 24B

At $0.075/$0.2 per 1M tokens, it is the cheaper of the two — the gap dominates the bill on high-volume workloads.

Which should you pick?

A cost-sensitive startup shipping high volume

Mistral Small 3.2 24B

At $0.075/$0.2 per 1M tokens it undercuts Grok 4, and on millions of tokens that margin decides the monthly bill.

A team with data-privacy or self-hosting needs

Mistral Small 3.2 24B

Open weights let you run it on your own hardware; Grok 4 is API-only.

Anyone whose priority is 256k context with native tool use

Grok 4

It is specifically built for that.

Anyone whose priority is extremely cheap open-weight model at about $0.075/$0.20 hosted

Mistral Small 3.2 24B

That is its strongest area.

An enterprise with regional data-residency rules

Grok 4 or Mistral Small 3.2 24B

Origin (US vs France) affects where data is processed and which compliance regime applies — check the provider's terms for your region.

Grok 4: where it fits

XAI's 2M-context model with live data access and strong reasoning chops. Released July 9, 2025 by xAI, it is built for 256K context with native tool use, real-time data via X integration, strong academic reasoning, and no long-context surcharge.

Its trade-offs are real: smaller ecosystem than OpenAI/Google, and less independent benchmark coverage. At $3 in / $15 out per million tokens, it sits in the mid price band.

Mistral Small 3.2 24B: where it fits

Mistral's Apache-2.0 open 24B model at about $0.075/$0.20 hosted — very cheap and self-hostable, sized for volume over frontier quality. Released June 20, 2025 by Mistral AI, it is built for extremely cheap open-weight model at about $0.075/$0.20 hosted, self-hostable under Apache-2.0 with no per-token cost, instruction following and function calling at 24B scale, and runs on modest hardware for local or private deployment.

Its trade-offs: a 24B small model — not a frontier reasoner, context reported as 256K but some references cite 128K native, no published SWE-Bench Verified score, and hosted prices vary by provider; the figure shown is a common host rate. At $0.075 in / $0.2 out per million tokens, it sits in the budget price band.

The bottom line for this matchup

The defining split here is open vs. closed. Mistral Small 3.2 24B gives you weights you control — self-host it, fine-tune it, keep data in-house, pay only for hardware. Grok 4 gives you a managed, always-updated API with no infrastructure to run. Teams with GPUs, privacy requirements, or huge volume often favour the open model; teams that want zero ops and the latest capabilities favour the closed one. Capability is close enough that this operational question, not the benchmark, usually decides it.

Want both Grok 4 and Mistral Small 3.2 24B without two subscriptions? LumiChats gives you these plus 40+ models under one ₹69/day pass (about $1/day) — draft with one, cross-check with the other.

See pricing

Frequently asked questions

Is Grok 4 or Mistral Small 3.2 24B better for coding?

Public SWE-Bench figures are not available for either model, so the honest test is your own repository — run an identical real bug through both. By design, Grok 4 leans toward 256k context with native tool use while Mistral Small 3.2 24B leans toward extremely cheap open-weight model at about $0.075/$0.20 hosted, and that positioning usually predicts which feels better on your codebase.

Which is cheaper, Grok 4 or Mistral Small 3.2 24B?

Mistral Small 3.2 24B is open-weight, so self-hosting means no per-token fee (you pay for hardware instead), while Grok 4 is API-metered at $3/$15 per 1M tokens. For most teams without GPUs, the API model is cheaper to start; at very high volume, self-hosting can win.

Which has the bigger context window?

Both advertise 256K (~384 pages). Remember advertised ≠ usable: recall typically degrades before the ceiling.

Can I use both Grok 4 and Mistral Small 3.2 24B together?

Yes — a multi-model platform like LumiChats gives you Grok 4, Mistral Small 3.2 24B and 40+ others under one ₹69/day pass (about $1/day), so you can draft with one and cross-check with the other instead of buying two subscriptions.

Which is newer, Grok 4 or Mistral Small 3.2 24B?

Grok 4 — released July 9, 2025, about 19 days after Mistral Small 3.2 24B.

Related comparisons

Specifications and benchmarks reflect publicly reported figures as of June 2026 and may change as providers release updates. Always verify on your own workload.