Head-to-Head API Cost Benchmark

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

On a standard B2B production workload (5,000 req/day), Mistral Small 3 is 96.5% cheaper ($46.12/mo vs $1303.12/mo), while Mistral Small 3 leads in token generation speed (150 tok/s).

Side-by-Side Specification & Billing Matrix

Metric GPT-4o (OpenAI) Mistral Small 3 (Mistral AI (La Plateforme)) Advantage
Standard Input / 1M Tokens $2.500 $0.100 Mistral Small 3
Cached Input / 1M Tokens $1.250 $0.050 Mistral Small 3
Output Generation / 1M Tokens $10.00 $0.30 Mistral Small 3
Intelligence / Benchmark Quality 1286 LMSYS Elo 1215 LMSYS Elo GPT-4o
Monthly Spend (5k req/day, 50% cache) $1303.12 / mo $46.12 / mo Mistral Small 3 (-96.5%)
Context Window 128,000 tokens 32,000 tokens GPT-4o
Output Speed (Throughput) 85 tokens/sec 150 tokens/sec Mistral Small 3
Batch API Discount -50% (OpenAI) -50% (Mistral AI (La Plateforme)) OpenAI
Primary Workload Fit Complex multi-step customer facing workflows, vision + JSON structured outputs GDPR-strict European customer support automation & structured extraction Workload Dependent
Deploy / Console Access Try GPT-4o → Try Mistral Small 3 → Open Full Simulator