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Mistral: Mistral Large 3 2512 vs OpenAI: GPT-5.4 Mini

MMistral: Mistral Large 3 2512mistralai/mistral-large-2512VSOOpenAI: GPT-5.4 Miniopenai/gpt-5.4-mini

Mistral: Mistral Large 3 2512 wins on more metrics (5 of 9), but the right pick depends on what you optimize for — see the breakdown below.

MetricMistral: Mistral Large 3 2512OpenAI: GPT-5.4 Mini
Intelligence Index22.823.3✓
Coding Index22.725.3✓
GPQA Diamond68%✓61%
Design Arena Elo1206✓—
Speed (tokens/sec)3085✓
Latency787ms✓825ms
Input price /M$0.500✓$0.750
Output price /M$1.50✓$4.50
Context window262K400K✓
CapabilitiesToolsJSONVisionReasoningToolsJSONVision
Mistral: Mistral Large 3 2512 details →OpenAI: GPT-5.4 Mini details →