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Devstral 2 2512 vs Grok 4.3

How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Devstral 2 2512 and Grok 4.3.

Mistral

Devstral 2 2512

Devstral 2 is a state-of-the-art open-source model by Mistral AI specializing in agentic coding. It is a 123B-parameter dense transformer model supporting a 256K context window. Devstral 2 supports exploring...

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xAI

Grok 4.3

Grok 4.3 is a reasoning model from xAI. It accepts text and image inputs with text output, and is suited for agentic workflows, instruction-following tasks, and applications requiring high factual...

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Technical Specifications

SpecificationDevstral 2 2512Grok 4.3
ProviderMistralxAI
Context Window262,144 tokens1,000,000 tokens
Agent SuitabilityN/A87/100
Time to First Token (TTFT)N/A400 ms
Deployment Modelself hostablemanaged api
Production Stabilitystablestable
API AvailableYesYes
Released Date2025-12-092026-04-30

API Pricing Comparison

Input Price per Million Tokens

Devstral 2 2512

$0.40

Grok 4.3

$1.25

Output Price per Million Tokens

Devstral 2 2512

$2.00

Grok 4.3

$2.50

Want to test both models live?

Run side-by-side prompt prompts in our dynamic Sandbox. Check execution speeds, latency metrics, and compute actual costs in real-time.

Benchmark Performance Metrics

Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.

MMLUGeneral knowledge & multi-task understanding
N/Avs9240.0%
Devstral 2 2512
Grok 4.3
HumanEvalPython coding & logic synthesis
N/Avs9450.0%
Devstral 2 2512
Grok 4.3
MATHComplex mathematical problem solving
N/Avs9100.0%
Devstral 2 2512
Grok 4.3
GPQAGraduate-level expert reasoning
N/Avs8100.0%
Devstral 2 2512
Grok 4.3
HellaSwagCommonsense reasoning and inference
N/Avs9750.0%
Devstral 2 2512
Grok 4.3
MT-BenchMulti-turn conversation flow quality
N/Avs940.0%
Devstral 2 2512
Grok 4.3

Devstral 2 2512 Quirks & Gotchas

No developer gotchas reported.

Grok 4.3 Quirks & Gotchas

  • โ–ธStrong coding performance โ€” competitive with Claude Sonnet at similar price point
  • โ–ธUpgrade to Grok 4.20 for improved reasoning and tool calling