Head-to-Head API Cost Benchmark

GPT-4o mini vs Mistral Small 3: API Price & Latency Comparison

On a standard B2B production workload (5,000 req/day), Mistral Small 3 is 41.0% cheaper ($46.12/mo vs $78.19/mo), while Mistral Small 3 leads in token generation speed (150 tok/s).

Side-by-Side Specification & Billing Matrix

Metric GPT-4o mini (OpenAI) Mistral Small 3 (Mistral AI (La Plateforme)) Advantage
Standard Input / 1M Tokens $0.150 $0.100 Mistral Small 3
Cached Input / 1M Tokens $0.075 $0.050 Mistral Small 3
Output Generation / 1M Tokens $0.60 $0.30 Mistral Small 3
Intelligence / Benchmark Quality 1224 LMSYS Elo 1215 LMSYS Elo GPT-4o mini
Monthly Spend (5k req/day, 50% cache) $78.19 / mo $46.12 / mo Mistral Small 3 (-41.0%)
Context Window 128,000 tokens 32,000 tokens GPT-4o mini
Output Speed (Throughput) 140 tokens/sec 150 tokens/sec Mistral Small 3
Batch API Discount -50% (OpenAI) -50% (Mistral AI (La Plateforme)) OpenAI
Primary Workload Fit High-volume classification, extraction, RAG summarization, low-cost chatbots GDPR-strict European customer support automation & structured extraction Workload Dependent
Deploy / Console Access Try GPT-4o mini → Try Mistral Small 3 → Open Full Simulator