← All model comparisons

Mistral: Mistral Medium 3.5 vs MoonshotAI: Kimi K3

Mistral: Mistral Medium 3.5 is 1.6× cheaper for the sample workload; MoonshotAI: Kimi K3 has the larger context window.

MetricMistral: Mistral Medium 3.5MoonshotAI: Kimi K3
Model IDmistralai/mistral-medium-3-5moonshotai/kimi-k3
Prompt price$1.50 / 1M tokens$0.20 / 1M tokens
Completion price$7.50 / 1M tokens$16.00 / 1M tokens
Context262,144 tokens1,048,576 tokens
Tool calling✓✓
Structured outputs✓✓
Reasoning✓✓
Response format✓✓
Web search––
Input modalitiestext, image, filetext, image, video
Output modalitiestexttext
Added2026-04-302026-07-16

Sample workload

Chat app: 1,000 prompt + 500 completion tokens × 100 requests per day.

CostMistral: Mistral Medium 3.5MoonshotAI: Kimi K3
Per day$0.53$0.82
Per 30 days$15.75$24.60

Difference: $0.30 per day and $8.85 per 30 days.

Data updated 2026-11-04