Key Takeaways
Llama 3.1 Nemotron 70B Instruct wins:
- Cheaper input tokens
- Cheaper output tokens
GPT-5 Codex wins:
- Larger context window
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
- Supports vision
Price Advantage
Llama 3.1 Nemotron 70B Instruct
Benchmark Advantage
GPT-5 Codex
Context Window
GPT-5 Codex
Speed
GPT-5 Codex
Pricing Comparison
Price Comparison
| Metric | Llama 3.1 Nemotron 70B Instruct | GPT-5 Codex | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $1.20 | $1.25 | Llama 3.1 Nemotron 70B Instruct |
| Output (per 1M tokens) | $1.20 | $10.00 | Llama 3.1 Nemotron 70B Instruct |
| Cache Read (per 1M) | N/A | $125000.00 | GPT-5 Codex |
Using a 3:1 input/output ratio, Llama 3.1 Nemotron 70B Instruct is 65% cheaper overall.
Llama 3.1 Nemotron 70B Instruct Providers
DeepInfra $1.20 (Cheapest)
GPT-5 Codex Providers
OpenAI $1.25 (Cheapest)
Benchmark Comparison
8
Benchmarks Compared
0
Llama 3.1 Nemotron 70B Instruct Wins
6
GPT-5 Codex Wins
Benchmark Scores
| Benchmark | Llama 3.1 Nemotron 70B Instruct | GPT-5 Codex | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 13.4 | 44.5 | |
Coding Index Code generation & understanding | 10.8 | 38.9 | |
Math Index Mathematical reasoning | 11.0 | 98.7 | |
MMLU Pro Academic knowledge | 69.0 | 86.5 | |
GPQA Graduate-level science | 46.5 | 83.7 | |
LiveCodeBench Competitive programming | 16.9 | 84.0 | |
Aider Real-world code editing | 54.9 | - | - |
AIME Competition math | 24.7 | - | - |
GPT-5 Codex significantly outperforms in coding benchmarks.
Cost vs Quality
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Llama 3.1 Nemotron 70B Instruct
Other models
Context & Performance
Context Window
Llama 3.1 Nemotron 70B Instruct
131,072
tokens
Max output: 16,384 tokens
GPT-5 Codex
400,000
tokens
Max output: 128,000 tokens
GPT-5 Codex has a 67% larger context window.
Speed Performance
| Metric | Llama 3.1 Nemotron 70B Instruct | GPT-5 Codex | Winner |
|---|---|---|---|
| Tokens/second | 31.3 tok/s | 314.7 tok/s | |
| Time to First Token | 0.37s | 10.95s |
GPT-5 Codex responds 906% faster on average.
Capabilities
Feature Comparison
| Feature | Llama 3.1 Nemotron 70B Instruct | GPT-5 Codex |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | Llama 3.1 Nemotron 70B Instruct | GPT-5 Codex |
|---|---|---|
| License | Open Source | Proprietary |
| Author | Nvidia | OpenAI |
| Released | Oct 2024 | Sep 2025 |
Llama 3.1 Nemotron 70B Instruct Modalities
Input
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Output
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GPT-5 Codex Modalities
Input
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Output
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