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Llama 3.1 8B Instruct vs Devstral 2 2512

vs
Devstral 2 2512

Mistral AI

46#233
Signal-by-Signal Comparison
SignalLlama 3.1 8B InstructDeltaDevstral 2 2512
Capabilities
50
--
50
Benchmarks
44
+1
43
Pricing
100
+2
98
Context window size
81
-5
86
Recency
0
-85
85
Output Capacity
81
-4
85
Overall Result
2 wins
of 6
3 wins
Devstral 2 2512 wins 3 of 6 signals

Score History

Score History (28 data points)
Llama 3.1 8B InstructDevstral 2 2512
Llama 3.1 8B Instruct

44.5

current score

Leader

Devstral 2 2512

right now

Devstral 2 2512

45.5

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

Devstral 2 2512

Mistral AI

Per request$0.001540
Daily$5.13
Monthly$154.00
Annual$1848.00

Llama 3.1 8B Instruct saves you $145.00/month

That's $1740.00/year compared to Devstral 2 2512 at your current usage level of 100K calls/month.

94% 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
Devstral 2 2512 pricing:
Input:$0.44/M tokens
Output:$2.20/M tokens
Llama 3.1 8B Instruct

Meta

45

Composite Score

Winner
Devstral 2 2512

Mistral AI

46

Composite Score

Signal-by-Signal Comparison
MetricLlama 3.1 8B InstructDevstral 2 2512Winner
Overall Score
45
46
Devstral 2 2512
Rank#234#233
Devstral 2 2512
Quality Rank#234#233
Devstral 2 2512
Adoption Rank#234#233
Devstral 2 2512
Parameters8B----
Context Window131K262K
Devstral 2 2512
Pricing$0.05/$0.08/M$0.44/$2.20/M--
Signal Scores
Capabilities
50
50
Llama 3.1 8B Instruct
Benchmarks
44
43
Llama 3.1 8B Instruct
Pricing
100
98
Llama 3.1 8B Instruct
Context window size
81
86
Devstral 2 2512
Recency
0
85
Devstral 2 2512
Output Capacity
81
85
Devstral 2 2512
Benchmark Head-to-Head(7 benchmarks)
Llama 3.1: 0Devstral 2: 0
Llama 3.1
Devstral 2
Normalized 0-100%
MMLU-Pro
30.37%-
HumanEval
69.5%-
SWE-bench Verified
-53.8%
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 #234), placing it in the top 20% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Devstral 2 2512Entry Level

Scores 46/100 (rank #233), placing it in the top 20% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

With only a 1-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 Devstral 2 2512 when you need:

  • Processing long documents or large codebases (262K token context)
  • 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
Devstral 2 2512
Input cost$0.44/M tokens
Output cost$2.20/M tokens
Cost per quality point$0.058
Est. monthly (1M tokens/day)$39.60

Llama 3.1 8B Instruct offers 95% better value per quality point. At 1M tokens/day, you'd spend $1.95/month with Llama 3.1 8B Instruct vs $39.60/month with Devstral 2 2512 - a $37.65 monthly difference.

Latency & Speed
Llama 3.1 8B InstructFaster
Speed score0/100
Devstral 2 2512
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

Devstral 2 2512

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 (46/100) correlates with better nuance, coherence, and style in long-form content

Devstral 2 2512
Which Should You Choose?
Our recommendation:
Devstral 2 2512

Llama 3.1 8B Instruct and Devstral 2 2512 are extremely close in overall performance (only 1 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.

by Meta

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 95% 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
Devstral 2 2512
Recommended

by Mistral AI

Consider for specialized use cases.

Capability Comparison
CapabilityLlama 3.1 8B InstructDevstral 2 2512
Vision (Image Input)
Function Calling
Streaming
JSON Mode
Reasoning
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

Devstral 2 2512

Mistral AI

$3.43
estimated monthly cost

Llama 3.1 8B Instruct saves you $3.25/month

That's 95% cheaper than Devstral 2 2512 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 InstructDevstral 2 2512
Context Window131K262K
Max Output Tokens117,964209,715
Open SourceYesYes
CreatedJul 23, 2024Dec 9, 2025
Last updated: 34m ago

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