Key Takeaways
GPT-5.1-Codex wins:
- Cheaper input tokens
- Larger context window
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
- Supports vision
Llama 3 Euryale 70B v2.1 wins:
- Cheaper output tokens
Price Advantage
GPT-5.1-Codex
Benchmark Advantage
GPT-5.1-Codex
Context Window
GPT-5.1-Codex
Speed
GPT-5.1-Codex
Pricing Comparison
Price Comparison
| Metric | GPT-5.1-Codex | Llama 3 Euryale 70B v2.1 | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $1.25 | $1.48 | GPT-5.1-Codex |
| Output (per 1M tokens) | $10.00 | $1.48 | Llama 3 Euryale 70B v2.1 |
| Cache Read (per 1M) | $0.13 | N/A | GPT-5.1-Codex |
Using a 3:1 input/output ratio, Llama 3 Euryale 70B v2.1 is 57% cheaper overall.
GPT-5.1-Codex Providers
No provider data available
Llama 3 Euryale 70B v2.1 Providers
No provider data available
Benchmark Comparison
7
Benchmarks Compared
3
GPT-5.1-Codex Wins
0
Llama 3 Euryale 70B v2.1 Wins
Benchmark Scores
| Benchmark | GPT-5.1-Codex | Llama 3 Euryale 70B v2.1 | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 43.1 | 35.5 | |
Coding Index Code generation & understanding | 36.6 | - | - |
Math Index Mathematical reasoning | 95.7 | - | - |
MMLU Pro Academic knowledge | 86.0 | 45.5 | |
GPQA Graduate-level science | 86.0 | 10.8 | |
LiveCodeBench Competitive programming | 84.9 | - | - |
BBH Big-Bench Hard | - | 49.2 | - |
GPT-5.1-Codex significantly outperforms in coding benchmarks.
Cost vs Quality
X-axis:
Y-axis:
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GPT-5.1-Codex
Other models
Context & Performance
Context Window
GPT-5.1-Codex
400,000
tokens
Llama 3 Euryale 70B v2.1
8,192
tokens
GPT-5.1-Codex has a 98% larger context window.
Speed Performance
| Metric | GPT-5.1-Codex | Llama 3 Euryale 70B v2.1 | Winner |
|---|---|---|---|
| Tokens/second | 139.5 tok/s | N/A | |
| Time to First Token | 7.54s | N/A |
Capabilities
Feature Comparison
| Feature | GPT-5.1-Codex | Llama 3 Euryale 70B v2.1 |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | GPT-5.1-Codex | Llama 3 Euryale 70B v2.1 |
|---|---|---|
| License | Proprietary | Open Source |
| Author | OpenAI | Sao10k |
| Released | Nov 2025 | Jun 2024 |
GPT-5.1-Codex Modalities
Input
textimage
Output
text
Llama 3 Euryale 70B v2.1 Modalities
Input
text
Output
text