Key Takeaways
Mixtral 8x7B Instruct wins:
- Cheaper input tokens
- Cheaper output tokens
GPT-5.2 Pro wins:
- Larger context window
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
- Supports vision
- Supports tool calls
Price Advantage
Mixtral 8x7B Instruct
Benchmark Advantage
GPT-5.2 Pro
Context Window
GPT-5.2 Pro
Speed
GPT-5.2 Pro
Pricing Comparison
Price Comparison
| Metric | Mixtral 8x7B Instruct | GPT-5.2 Pro | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $0.54 | $21.00 | Mixtral 8x7B Instruct |
| Output (per 1M tokens) | $0.54 | $168.00 | Mixtral 8x7B Instruct |
Using a 3:1 input/output ratio, Mixtral 8x7B Instruct is 99% cheaper overall.
Mixtral 8x7B Instruct Providers
Mistral $0.14 (Cheapest)
Fireworks $0.50
DeepInfra $0.54
Together $0.60
GPT-5.2 Pro Providers
OpenAI $21.00 (Cheapest)
Benchmark Comparison
7
Benchmarks Compared
0
Mixtral 8x7B Instruct Wins
4
GPT-5.2 Pro Wins
Benchmark Scores
| Benchmark | Mixtral 8x7B Instruct | GPT-5.2 Pro | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 7.7 | 51.2 | |
Coding Index Code generation & understanding | - | 48.7 | - |
Math Index Mathematical reasoning | - | 99.0 | - |
MMLU Pro Academic knowledge | 38.7 | 87.4 | |
GPQA Graduate-level science | 29.2 | 90.3 | |
LiveCodeBench Competitive programming | 6.6 | 88.9 | |
AIME Competition math | 0.0 | - | - |
GPT-5.2 Pro significantly outperforms in coding benchmarks.
Cost vs Quality
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Mixtral 8x7B Instruct
Other models
Context & Performance
Context Window
Mixtral 8x7B Instruct
32,768
tokens
Max output: 16,384 tokens
GPT-5.2 Pro
400,000
tokens
Max output: 128,000 tokens
GPT-5.2 Pro has a 92% larger context window.
Speed Performance
| Metric | Mixtral 8x7B Instruct | GPT-5.2 Pro | Winner |
|---|---|---|---|
| Tokens/second | 0.0 tok/s | 98.3 tok/s | |
| Time to First Token | 0.00s | 46.57s |
GPT-5.2 Pro responds Infinity% faster on average.
Capabilities
Feature Comparison
| Feature | Mixtral 8x7B Instruct | GPT-5.2 Pro |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | Mixtral 8x7B Instruct | GPT-5.2 Pro |
|---|---|---|
| License | Open Source | Proprietary |
| Author | Mistral AI | OpenAI |
| Released | Dec 2023 | Dec 2025 |
Mixtral 8x7B Instruct Modalities
Input
text
Output
text
GPT-5.2 Pro Modalities
Input
imagetextfile
Output
text