GPT-4.5 vs Mistral Large 2
Live Unit Economics, TTFT Latency & Reasoning Benchmark Analysis
Which model is better: GPT-4.5 or Mistral Large 2?
Verified Performance & Unit Economics Delta
Daily synchronized metrics from synthetic latency endpoints and benchmark evaluations.
| Metric / Dimension | GPT-4.5 | Mistral Large 2 | Net Delta / Advantage |
|---|---|---|---|
| Input Cost / 1M Tokens | $75.00 | $2.00 | Mistral Large 2 is 37.5x cheaper |
| Output Cost / 1M Tokens | $150.00 | $6.00 | Mistral Large 2 (96.0% lower) |
| Prompt Cache Read / 1M | $37.500 | $0.500 | Mistral Large 2 is 75.0x cheaper |
| Prompt Cache Write / 1M | $75.00 | $2.00 | Mistral Large 2 is 37.5x cheaper |
| Avg TTFT Response Latency | 850ms | 520ms | Mistral Large 2 (+330ms faster) |
| SWE-bench Verified (Coding) | 38% | 40% | Mistral Large 2 (+2.0% lead) |
| Inference Value Score (IVR) | 22.1 / 100 | 50 / 100 | Mistral Large 2 (+27.9 pts) |
Interactive Monthly Token Economics & ROI Forecaster
Model your expected production workload across prompt (input) and completion (output) tokens with prompt caching economics.
Estimated Monthly Spend
$75.00/1M in · $150.00/1M out
Prompt Cache: $37.500/1M read · $75.00/1M write
$2.00/1M in · $6.00/1M out
Prompt Cache: $0.500/1M read · $2.00/1M write
When to Choose GPT-4.5
Choose GPT-4.5 when you need Deep world-knowledge synthesis, high-EQ conversational nuance, and long-form creative generation requiring massive pretraining breadth. and have an infrastructure budget aligned with $75.00/1M tokens.
When to Choose Mistral Large 2
Choose Mistral Large 2 when you need European data-sovereign enterprise workflows, multilingual translation across European languages, and precise JSON tool execution. and prioritize Mistral AI ecosystem integration at $2.00/1M tokens.
Related Questions & Decision Factors
Which is cheaper: GPT-4.5 or Mistral Large 2?
Mistral Large 2 is cheaper at $2.00/1M input tokens compared to $75.00/1M for GPT-4.5.
Which model has lower latency: GPT-4.5 or Mistral Large 2?
Mistral Large 2 delivers faster response times with an average TTFT of 520ms vs 850ms for GPT-4.5.
When should you choose GPT-4.5?
Choose GPT-4.5 when you need Deep world-knowledge synthesis, high-EQ conversational nuance, and long-form creative generation requiring massive pretraining breadth. and have an infrastructure budget aligned with $75.00/1M tokens.
When should you choose Mistral Large 2?
Choose Mistral Large 2 when you need European data-sovereign enterprise workflows, multilingual translation across European languages, and precise JSON tool execution. and prioritize Mistral AI ecosystem integration at $2.00/1M tokens.