GPT 5.2 vs Mistral Large latest

GPT 5.2 vs Mistral Large latest: Mistral Large latest is cheaper by 57% on average. GPT 5.2 from Azure OpenAI (272,000-token context, reasoning, tool calls) vs. Mistral Large latest from Google Vertex AI (128,000-token context, tool calls). Use Agent Command Center to A/B both in shadow mode and pick the winner per workload.

Side-by-side cost

Live workload comparison

Same workload run through both models. The cheaper one is highlighted.

3,000
0272,000
400
0128,000
5,000
01,000,000
Azure OpenAI
$1,651/mo
Input $1.75/M · Output $14.00/M
Google Vertex AI
$1,278/mo
Input $2.00/M · Output $6.00/M
At this workload, Mistral Large latest is 23% cheaper than GPT 5.2 — a savings of $373/month ($4,474/year).
Crossover: GPT 5.2 is cheaper when output/input ≤ 0.03 (input-heavy workloads — RAG, retrieval). Mistral Large latest wins above (long-form generation).
Current workload ratio: 0.13 (400/3000)
Production recipe — Agent Command Center
strategy: cost-optimized
primary:
  model: mistral-large-latest
  provider: vertex-ai
fallback:
  model: gpt-5-2
  provider: azure-openai
shadow: { sample_rate: 0.05 }   # mirror 5% of traffic to compare quality live
GPT 5.2 Mistral Large latest
Input price $1.75/M $2.00/M
Output price $14.00/M $6.00/M
Context window 272,000 128,000
Max output 128,000 8,191
Function calling
Vision
Audio input
Reasoning
Prompt caching
Structured output
Pricing verified May 12, 2026 May 12, 2026
Cheaper option
~57% cheaper than GPT 5.2
Larger context
272,000 tokens
More capabilities
5 of 6 capability flags advertised

Benchmark comparison

Side-by-side public benchmark scores. Greener bar = winner.

Chatbot Arena ELOgeneral
GPT 5.2
1,477
Mistral Large latest
AIME 2025math
GPT 5.2
100.0%
Mistral Large latest
GPQA Diamondreasoning
GPT 5.2
92.4%
Mistral Large latest
MMLUgeneral
GPT 5.2
89.6%
Mistral Large latest
ARC-AGIreasoning
GPT 5.2
86.2%
Mistral Large latest
SWE-bench Verifiedagent
GPT 5.2
80.0%
Mistral Large latest
MMMU-Promultimodal
GPT 5.2
79.5%
Mistral Large latest
ARC-AGI-2reasoning
GPT 5.2
52.9%
Mistral Large latest
FrontierMathmath
GPT 5.2
40.3%
Mistral Large latest
Humanity's Last Examreasoning
GPT 5.2
34.5%
Mistral Large latest