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Mistral Small 4

mistral·mistral/mistral-small-2603·GA·Open weights·mistral-small series
Fast Mistral production model for chat, extraction, and cost-sensitive agents

Mistral Small 4 is offered by 14 providers on this page. Its official list price is $0.15 per 1M input tokens and $0.60 per 1M output tokens. The lowest paid channel is EmpirioLabs AI at $0.15 / $0.60 per 1M, about 3.9× below the list price. That channel is a third-party gateway, so confirm its availability and rate limits before depending on it.

Artificial Analysis rates it 11.3 on the Intelligence Index, with 26.6 for coding and 0.8 for agentic tasks. Against its lowest blended price of $0.263 per 1M, that is roughly 43 index points per dollar, which is the value ratio the leaderboards rank on. Median output speed is 177 tokens per second, with 0.68s to the first token. Running one task of the Artificial Analysis suite costs about $0.0150, which reflects how many tokens its reasoning consumes rather than the unit price alone.

The context window is 256,000 tokens at the reference host, but hosts report different limits, from 32,000 to 262,144, so the usable window depends on the provider you pick. It supports reasoning, tool use, and structured output. Accepted input modalities are Text and Image. The weights are open, so it can also be self-hosted or served through a gateway of your choice. Providers report the capability flags inconsistently, so verify a specific feature against the host you plan to use. Its training knowledge cuts off at 2025-06.

Specs & pricing

Input / output per 1M tokens
Official price·Mistral
$0.15 / $0.60
Blended $0.26 · Cache read $0.015
Lowest paid·EmpirioLabs AIGateway
$0.15 / $0.60
Blended $0.26 · 3.9× spread
Context
256,000
Output limit
256,000
Knowledge cutoff
2025-06
Released / updated
2026-03-16 / 2026-03-16
Capabilities
✓ Reasoning✓ Tool use✓ Structured output✓ Temperature✓ Attachments
⚠ Providers report capability flags inconsistently
Modalities
TextImage
Weights
Hugging Face

Quality & performanceArtificial Analysis · Intelligence Index v4.3 · rep. tier Reasoning

Intelligence11.3
Value43
Coding26.6
Agentic0.8
Output speed177 tok/s
TTFT0.68 s
Cost per task$0.015
Value formulaIQ 11.3 ÷ min blended $0.263 = 43
Reasoning tier → intelligence / speed (higher tier = stronger but slower)
Non-reasoningIQ 9 · 166 tok/s
ReasoningIQ 11.3 · 177 tok/s

Quality is independently evaluated by Artificial Analysis. Speed/latency are model-level medians.

Available at 14 providers14 with public prices

ProviderTierInputOutputCache readCache writeContextOutput limitStatus
EmpirioLabs AI
mistral-small-4
Gateway$0.15$0.60$0.15—256,00065,536
Kilo GatewayGateway$0.15$0.60$0.015—262,144 ⚠209,715
OpenRouterGateway$0.15$0.60$0.015—262,144 ⚠209,715
Pioneer
mistralai/Mistral-Small-4-119B-2603
Gateway$0.15$0.60$0.015$0.1532,000 ⚠32,000
Eden AIGateway$0.15$0.60$0.015—262,144 ⚠256,000
Tempr GatewayGateway$0.15$0.60——256,000256,000
MistralOfficialFirst-party$0.15$0.60$0.015—256,000256,000
DevPass (LLM Gateway)Gateway$0.15$0.60——262,144 ⚠256,000
LLM GatewayGateway$0.15$0.60——262,144 ⚠256,000
CortecsGateway$0.16$0.63$0.016—262,144 ⚠256,000

Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.

Reasoning control

effort = noneeffort = higheffort = loweffort = mediumeffort = max

Interleaved thinking (reasoning between tool calls) is declared by 3 of 14 providers.

4 / 14 providers expose no reasoning control (reasoning_options: []).

Your usage cost

1Kilo Gateway$43.80
2OpenRouter$43.80
3Pioneer$43.80
4Eden AI$43.80
5Mistral · Official$43.80
6Cortecs$45.65
Switch to Kilo Gateway to save $0/mo (0%). The gap is small, so staying on the official channel is fine.
Note: this is a gateway; verify availability and rate limits yourself.

Price historyone sample accumulated per data sync

Input listOutput listMin blended
$0.60$02026-08-052026-09-152026-08-05 · Input list $0.152026-08-06 · Input list $0.152026-08-07 · Input list $0.152026-08-08 · Input list $0.152026-08-09 · Input list $0.152026-08-10 · Input list $0.152026-08-11 · Input list $0.152026-08-12 · Input list $0.152026-08-13 · Input list $0.152026-09-15 · Input list $0.152026-08-05 · Output list $0.602026-08-06 · Output list $0.602026-08-07 · Output list $0.602026-08-08 · Output list $0.602026-08-09 · Output list $0.602026-08-10 · Output list $0.602026-08-11 · Output list $0.602026-08-12 · Output list $0.602026-08-13 · Output list $0.602026-09-15 · Output list $0.602026-08-05 · Min blended $0.262026-08-06 · Min blended $0.262026-08-07 · Min blended $0.262026-08-08 · Min blended $0.262026-08-09 · Min blended $0.252026-08-10 · Min blended $0.252026-08-11 · Min blended $0.252026-08-12 · Min blended $0.252026-08-13 · Min blended $0.252026-09-15 · Min blended $0.26

Benchmark3 items

NameConditionsScoreMetricSource
Artificial Analysis Coding Index—24.3indexSource ↗
SciCode—38percent correctSource ↗
Terminal-Bench Hard—17.4success rateSource ↗

The same benchmark scores very differently across harness / dataset, so the qualifying conditions must be shown together.

Artificial Analysis evaluations9 items

GPQA Diamond76.9%
Humanity's Last Exam9.9%
SciCode38.8%
Terminal-Bench Hard17.4%
Terminal-Bench 2.121.0%
τ²-Bench Telecom41.2%
τ³-Bench Banking5.0%
AA-LCR49.7%
IFBench48.2%

Individual evaluations run by Artificial Analysis, on the same reasoning tier as the intelligence score above. Each benchmark has its own task set and harness, so rows are not comparable with one another. The Intelligence Index above draws on a different, newer set of evaluations.

Related models

Mistral: Mistral Small 3same series$0.12 / $0.35Mistral Small 3.2 24B Instructsame series$0.094 / $0.25Mistral Small 3.2 24B Instruct 2506same series$0.33 / $0.33GPT-5 Nanocheaper alternative$0.05 / $0.40Hy3cheaper alternative$0 / $0Qwen3.7 Flashcheaper alternative$0.03 / $0.13Nemotron 3.5 Lightning 30B A3Bcheaper alternative$0 / $0
Data partly from models.dev (MIT) · Mistral official docs ↗