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Llama 3.1 8B Instruct vs Mistral Small 4

vs
Mistral Small 4

Mistral AI

40#283
Signal-by-Signal Comparison
SignalLlama 3.1 8B InstructDeltaMistral Small 4
Capabilities
50
-33
83
Benchmarks
44
+44
0
Pricing
100
+1
99
Context window size
81
-5
86
Recency
0
-100
100
Output Capacity
85
+65
20
Overall Result
3 wins
of 6
3 wins
It's a tie - both models win 3 signals each

Score History

Score History (25 data points)
Llama 3.1 8B InstructMistral Small 4
Llama 3.1 8B Instruct

44.5

current score

Leader

Llama 3.1 8B Instruct

right now

Mistral Small 4

40

current score

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

Llama 3.1 8B Instruct

Meta

Best Value
Per request$0.000090
Daily$0.30
Monthly$9.00
Annual$108.00

Mistral Small 4

Mistral AI

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

Llama 3.1 8B Instruct saves you $36.00/month

That's $432.00/year compared to Mistral Small 4 at your current usage level of 100K calls/month.

80% cheaper
Choose Llama 3.1 8B Instruct for cost optimization

Llama 3.1 8B Instruct pricing:
Input:$0.05/M tokens
Output:$0.08/M tokens
Mistral Small 4 pricing:
Input:$0.15/M tokens
Output:$0.60/M tokens
Winner
Llama 3.1 8B Instruct

Meta

45

Composite Score

Mistral Small 4

Mistral AI

40

Composite Score

Signal-by-Signal Comparison
MetricLlama 3.1 8B InstructMistral Small 4Winner
Overall Score
45
40
Llama 3.1 8B Instruct
Rank#230#283
Llama 3.1 8B Instruct
Quality Rank#230#283
Llama 3.1 8B Instruct
Adoption Rank#230#283
Llama 3.1 8B Instruct
Parameters8B----
Context Window131K262K
Mistral Small 4
Pricing$0.05/$0.08/M$0.15/$0.60/M--
Signal Scores
Capabilities
50
83
Mistral Small 4
Benchmarks
44
--
Llama 3.1 8B Instruct
Pricing
100
99
Llama 3.1 8B Instruct
Context window size
81
86
Mistral Small 4
Recency
0
100
Mistral Small 4
Output Capacity
85
20
Llama 3.1 8B Instruct
Benchmark Head-to-Head(6 benchmarks)
Llama 3.1: 0Mistral Small: 0
Llama 3.1
Mistral Small
Normalized 0-100%
MMLU-Pro
30.37%-
HumanEval
69.5%-
IFEval
72.05%-
BBH
30.85%-
Arena Elo
1211-
BigCodeBench
32.8%-
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.

Llama 3.1 8B InstructEntry Level

Scores 45/100 (rank #230), placing it in the top 21% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Mistral Small 4Entry Level

Scores 40/100 (rank #283), placing it in the top 3% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

With only a 5-point gap, these models are in the same performance tier. The practical difference in output quality is minimal - your choice should depend on pricing, latency requirements, and specific feature needs.

When to Use Each Model

Choose Llama 3.1 8B Instruct when you need:

  • High-volume production workloads where API costs must be minimized
  • Self-hosted deployments where you need full control over the model

Choose Mistral Small 4 when you need:

  • Processing long documents or large codebases (262K token context)
  • Multimodal workflows that require image understanding
  • Step-by-step reasoning and chain-of-thought problem solving
  • Self-hosted deployments where you need full control over the model
Cost-Performance Analysis
Llama 3.1 8B InstructBest Value
Input cost$0.05/M tokens
Output cost$0.08/M tokens
Cost per quality point$0.003
Est. monthly (1M tokens/day)$1.95
Mistral Small 4
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

Llama 3.1 8B Instruct offers 83% better value per quality point. At 1M tokens/day, you'd spend $1.95/month with Llama 3.1 8B Instruct vs $11.25/month with Mistral Small 4 - a $9.30 monthly difference.

Latency & Speed
Llama 3.1 8B InstructFaster
Speed score0/100
Mistral Small 4
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

Llama 3.1 8B Instruct

Customer support chatbot

Suitable for user-facing chat with competitive response times. Llama 3.1 8B Instruct also offers lower per-token costs for high-volume support

Llama 3.1 8B Instruct

Long document analysis

Larger context window (262K tokens) can process longer documents, contracts, and research papers in a single pass

Mistral Small 4

Batch data extraction

Lower output pricing ($0.08/M) reduces costs when processing thousands of records daily

Llama 3.1 8B Instruct

Creative writing & content

Higher overall composite score (45/100) correlates with better nuance, coherence, and style in long-form content

Llama 3.1 8B Instruct

Image understanding & OCR

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

Mistral Small 4
Which Should You Choose?
Our recommendation:
Llama 3.1 8B Instruct

Llama 3.1 8B Instruct has a moderate advantage with a 4.5-point lead in composite score. It wins on more signal dimensions, but Mistral Small 4 has specific strengths that could make it the better choice for certain workflows.

by Meta

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 83% 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

by Mistral AI

Consider for specialized use cases.

Capability Comparison
CapabilityLlama 3.1 8B InstructMistral Small 4
Vision (Image Input)differs
Function Calling
Streaming
JSON Mode
Reasoningdiffers
Web Search
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

Llama 3.1 8B Instruct

Meta

Best Value
$0.1860
estimated monthly cost

Mistral Small 4

Mistral AI

$0.9900
estimated monthly cost

Llama 3.1 8B Instruct saves you $0.8040/month

That's 81% cheaper than Mistral Small 4 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
ParameterLlama 3.1 8B InstructMistral Small 4
Context Window131K262K
Max Output Tokens131,072--
Open SourceYesYes
CreatedJul 23, 2024Mar 16, 2026
Last updated: 30m ago

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Llama 3.1 8B Instruct vs Mistral Small 4 (2026) | LM Market Cap