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Mistral Small 4 vs Grok 4.3

Mistral Small 4

Mistral AI

40#336
vs
Grok 4.3

xAI

89#46
Signal-by-Signal Comparison
SignalMistral Small 4DeltaGrok 4.3
Capabilities
83
-17
100
Pricing
99
+2
98
Context window size
86
-9
95
Recency
98
-2
100
Output Capacity
85
-10
95
Benchmarks
0
-81
81
Overall Result
1 wins
of 6
5 wins
Grok 4.3 wins 5 of 6 signals

Score History

Score History (28 data points)
Mistral Small 4Grok 4.3
Mistral Small 4

40

current score

Leader

Grok 4.3

right now

Grok 4.3

88.8

current score

LMMarketCap.com
Interactive Price Comparison
100Kcalls/month
1,000tokens (~1,333 chars)
500tokens (~667 chars)

Mistral Small 4

Mistral AI

Best Value
Per request$0.000450
Daily$1.50
Monthly$45.00
Annual$540.00

Grok 4.3

xAI

Per request$0.002500
Daily$8.33
Monthly$250.00
Annual$3000.00

Mistral Small 4 saves you $205.00/month

That's $2460.00/year compared to Grok 4.3 at your current usage level of 100K calls/month.

82% cheaper
Choose Mistral Small 4 for cost optimization

Mistral Small 4 pricing:
Input:$0.15/M tokens
Output:$0.60/M tokens
Grok 4.3 pricing:
Input:$1.25/M tokens
Output:$2.50/M tokens
Mistral Small 4

Mistral AI

40

Composite Score

Winner
Grok 4.3

xAI

89

Composite Score

Signal-by-Signal Comparison
MetricMistral Small 4Grok 4.3Winner
Overall Score
40
89
Grok 4.3
Rank#336#46
Grok 4.3
Quality Rank#336#46
Grok 4.3
Adoption Rank#336#46
Grok 4.3
Parameters------
Context Window262K1000K
Grok 4.3
Pricing$0.15/$0.60/M$1.25/$2.50/M--
Signal Scores
Capabilities
83
100
Grok 4.3
Pricing
99
98
Mistral Small 4
Context window size
86
95
Grok 4.3
Recency
98
100
Grok 4.3
Output Capacity
85
95
Grok 4.3
Benchmarks--
81
Grok 4.3
Benchmark Head-to-Head(2 benchmarks)
Mistral Small: 0Grok 4.3: 0
Mistral Small
Grok 4.3
Normalized 0-100%
GPQA Diamond
-90%
Arena Elo
-1446
Benchmark Interpretation

Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.

Mistral Small 4Entry Level

Scores 40/100 (rank #336), placing it in the top -16% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Grok 4.3Elite Tier

Scores 89/100 (rank #46), placing it in the top 84% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

Grok 4.3 has a 49-point advantage, which typically translates to noticeably stronger performance on complex reasoning, code generation, and multi-step tasks.

When to Use Each Model

Choose Mistral Small 4 when you need:

  • High-volume production workloads where API costs must be minimized
  • Step-by-step reasoning and chain-of-thought problem solving
  • Self-hosted deployments where you need full control over the model

Choose Grok 4.3 when you need:

  • Processing long documents or large codebases (1000K token context)
  • Step-by-step reasoning and chain-of-thought problem solving
Cost-Performance Analysis
Mistral Small 4Best Value
Input cost$0.15/M tokens
Output cost$0.60/M tokens
Cost per quality point$0.019
Est. monthly (1M tokens/day)$11.25
Grok 4.3
Input cost$1.25/M tokens
Output cost$2.50/M tokens
Cost per quality point$0.042
Est. monthly (1M tokens/day)$56.25

Mistral Small 4 offers 80% better value per quality point. At 1M tokens/day, you'd spend $11.25/month with Mistral Small 4 vs $56.25/month with Grok 4.3 - a $45.00 monthly difference.

Latency & Speed
Mistral Small 4Faster
Speed score0/100
Grok 4.3
Speed score0/100

Both models have comparable response speeds. For most applications, the latency difference is negligible.

When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.

Example Use Cases

Code generation & review

Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring

Mistral Small 4

Customer support chatbot

Suitable for user-facing chat with competitive response times. Mistral Small 4 also offers lower per-token costs for high-volume support

Mistral Small 4

Long document analysis

Larger context window (1000K tokens) can process longer documents, contracts, and research papers in a single pass

Grok 4.3

Batch data extraction

Lower output pricing ($0.60/M) reduces costs when processing thousands of records daily

Mistral Small 4

Creative writing & content

Higher overall composite score (89/100) correlates with better nuance, coherence, and style in long-form content

Grok 4.3

Image understanding & OCR

Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly

Mistral Small 4
Which Should You Choose?
Our recommendation:
Grok 4.3

Grok 4.3 clearly outperforms Mistral Small 4 with a significant 48.8-point lead. For most general use cases, Grok 4.3 is the stronger choice. However, Mistral Small 4 may still excel in niche scenarios.

by Mistral AI

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 80% lower pricing; better value at scale
  • Choose for Reliability - Higher uptime and faster response speeds
  • Choose for Prototyping - Stronger community support and better developer experience
  • Choose for Production - Wider enterprise adoption and proven at scale
Grok 4.3
Recommended

by xAI

Consider for specialized use cases.

Capability Comparison
CapabilityMistral Small 4Grok 4.3
Vision (Image Input)
Function Calling
Streaming
JSON Mode
Reasoning
Web Searchdiffers
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

Mistral Small 4

Mistral AI

Best Value
$0.9900
estimated monthly cost

Grok 4.3

xAI

$5.25
estimated monthly cost

Mistral Small 4 saves you $4.26/month

That's 81% cheaper than Grok 4.3 at 1,000 tokens/request and 100 requests/day.

Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.

Parameters & Context
ParameterMistral Small 4Grok 4.3
Context Window262K1M
Max Output Tokens209,715900,000
Open SourceYesNo
CreatedMar 16, 2026Apr 30, 2026
Last updated: 13m ago

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Mistral Small 4 vs Grok 4.3 (2026) | LM Market Cap