GPT-4.5vsMistral Large 2
Mistral Large 2 is cheaper than GPT-4.5 at $8/M vs $75/M input tokens.
| Spec | GPT-4.5 | Mistral Large 2 |
|---|---|---|
| Input price | $75/M tokens | $8/M tokens |
| Output price | $150/M tokens | $24/M tokens |
| Context window | 128K tokens | 128K tokens |
| Parameters | Not disclosed | 123B |
| Weights | — | Open |
| Free API (OpenRouter) | No | No |
| Released | Feb 2025 | Jul 2024 |
| MMLU | 90.8% | 84.0% |
Our Verdict
GPT-4.5
Mistral Large 2Runner-up
Not enough votes to call it. On the specs, GPT-4.5 has the edge: bigger model tier, newer, major provider backing.
Mistral Large 2 costs 6.3x less per token.
Slight edge
API pricing
Cost per 1M tokens
GPT-4.5
Input
$75.00
Output
$150.00
Mistral Large 2
Input
$8.00
9.4× cheaper
Output
$24.00
6.3× cheaper
Mistral Large 2 is cheaper on both: 9.4× input, 6.3× output.
Where to run it
1 host
GPT-4.5
No hosts listed on OpenRouter.
Mistral Large 21 host
Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.
Writing DNA
Style Comparison
Similarity
54%
Mistral Large 2 uses 79.6x more emoji
GPT-4.5
Mistral Large 2
63%Vocabulary43%
16wSentence Length21w
0.57Hedging0.39
4.7Bold14.4
6.4Lists7.4
0.00Emoji0.80
1.30Headings1.41
0.54Transitions0.01
Based on 11 + 10 text responses
Research
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FAQ
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