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TokenMath.net
Verified against Mistral AI Official Pricing
Mistral AIbudgetGenerally AvailableActive Production

Mistral Small 4 API Pricing & Cost Calculator

High-speed compact model delivering low-latency inference at minimal compute cost Need a token count first? Use the Mistral token counter.

Standard Input / 1M
$0.15
Prompt tokens
Cached Input / 1M
$0.015
Prompt caching rate
Output / 1M
$0.60
Generation completion
Context Window
256k
Max out: 8.2k
API & Developer Integration Details
generally available
API Model Stringmistral-small-2603
Provider & FamilyMistral AI (mistral)
Prompt Caching Rules1,024 min tokens (90% off)
Long-Context TiersStandard flat rate throughout full window
First-party audit timestamp: 2026-10-11 07:55 UTCOfficial Documentation

Interactive Cost & Token Simulator for Mistral Small 4

Live Calculation
Input Tokens2,500
Output Tokens800
Requests / Day5,000
Prompt Caching Ratio (50%)$0.015/M cached rate
Cost / Request$0.00069
Daily Spend (5,000 reqs)$3.4313
Monthly Run-Rate (30d)$102.94

Standard Workload Cost Scenarios

ScenarioInput TokensOutput TokensUncached CostWith Prompt Caching
Short Chat Query1,000500$0.00045$0.00031
Document Summarization10,0002,000$0.00270$0.00135
Codebase & Context Analysis100,00020,000$0.0270$0.0135
Batch Corpus Processing1,000,000100,000$0.2100$0.0750
Technical Architecture & Pricing VerificationVerified: 2026-10-11 07:55 UTC
Model ArchitectureMistral Small 4
Provider OrganizationMistral AI
Tokenizer EncodingMistral Tekken Tokenizer (131k vocabulary)
API ConnectivityMistral La Plateforme API (/v1/chat/completions). Model snapshot mistral-small-2603 with 256k context.
Batch API 50% DiscountSupported (50% off input & output)
Tier 1 Rate Quota (Free-Tier Reference)600 RPM · 2M TPM

Tier 1 (free tier) reference limits — your account's actual quota may be higher.

Blended 3:1 Cost / 1M Tokens$0.26
Ultra-compact sub-second latency model with 256k context and $0.015/1M prompt caching.Mistral AI Official Pricing

Verified Pricing History

September 2026: $0.15/M input · $0.6/M output ($0.015/M cached)
Calibrated context window to native 256k (262,144 tokens) and cached input rate to $0.015/1M.
September 8, 2026: $/M input · $/M output
July 2026: $0.2/M input · $0.6/M output ($0.05/M cached)
Mistral Small 4 release.

When to Choose Mistral Small 4

Ideal for production workloads demanding budget capabilities, deep context depth (256k tokens), and reliability from Mistral AI. Excellent when predictable tokenomics and prompt caching support are paramount.

When Another Model May Be Better

If your use-case requires sub-second streaming latency or ultra-high frequency classification at micro-cent pricing, consider lighter budget options such as Gemini Flash-Lite or Claude Haiku. For deep formal logic, consider dedicated reasoning models like o3.

Frequently Asked Questions About Mistral Small 4

How much does 1 million tokens cost with Mistral Small 4?

For Mistral Small 4, 1 million input tokens costs $0.15, while 1 million output tokens costs $0.60. If using prompt caching, repetitive input prefixes are discounted to $0.015 per million.

What is the context window for Mistral Small 4?

Mistral Small 4 features a maximum context window of 262,144 tokens (~196,608 words), with a maximum output limit of 8,192 tokens per completion.

Which tokenizer does Mistral Small 4 use?

Mistral Small 4 utilizes the Mistral Tekken Tokenizer (131k vocabulary). Token counting on TokenMath runs client-side to ensure maximum privacy.

Does Mistral Small 4 support prompt caching discounts?

Yes. Mistral Small 4 supports prompt caching with a cached input rate of $0.015/1M (saving up to 90% on repeated input context).