Codex vs. Muse Code
Comparison between Codex and Muse Code across the Artificial Analysis Coding Agent Index, including benchmark scores, cost, execution time, and token usage.
For details relating to our methodology, see our methodology page.
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Comparison
Side-by-side comparison of Codex and Muse Code.
Coding Agent Comparison
Metric |  CodexGPT-6 Astra (Max) |  Muse CodeMuse Wonder Full (Max) | Analysis |
|---|---|---|---|
Agent Harness | Codex | Muse Code | |
Representative Model | GPT-6 Astra (Max) | Muse Wonder Full (Max) | |
Coding Agent Index | 55 | 59 | Muse Code has a higher Coding Agent Index than Codex |
FrontierCode v1.1 | 49% | 49% | Codex has a higher FrontierCode v1.1 score than Muse Code |
Terminal-Bench 4.0 | 56% | 59% | Muse Code has a higher Terminal-Bench 4.0 score than Codex |
SWE-Atlas-QnA-AA | 59% | 69% | Muse Code has a higher SWE-Atlas-QnA-AA score than Codex |
Cost per Task | $7.04 | $0.00 | Comparison not available |
Time per Task | 24.8m | 34.9m | Codex has a lower time per task than Muse Code |
Turns per Task | 39.4 | 194.9 | Codex has a lower turns per task than Muse Code |
Token Usage per Task | 3.23M | 14.5M | Codex has a lower token usage per task than Muse Code |
Cache Hit Rate | 93% | 96% | Muse Code has a higher cache hit rate than Codex |
Model Variants
Evaluated model variants for Codex and Muse Code.
Model Variants
| Codex | GPT-6 Astra (Max) | max | 55 | 49% | 56% | 59% | $7.04 | 24.8m | 3.23M |
| Codex | GPT-6.1 Sol (Max) | max | 54 | 49% | 53% | 60% | $1.50 | 23.7m | 3.94M |
| Codex | GPT-6.1 Terra (Xhigh) | xhigh | 48 | 45% | 46% | 54% | $0.69 | 16.4m | 6.89M |
| Codex | GPT-6.1 Terra (Max) | max | 48 | 42% | 48% | 54% | $1.24 | 26.1m | 12.3M |
| Codex |  DeepSeek V4.1 Flash (Max) | max | 47 | 53% | 28% | 61% | $0.39 | 38.1m | 27.2M |
| Codex | GPT-6.1 Terra (High) | high | 46 | 43% | 42% | 53% | $0.54 | 12.7m | 5.6M |
| Codex | GPT-6.1 Terra (Medium) | medium | 42 | 44% | 35% | 47% | $0.39 | 10.2m | 4.08M |
| Codex | GPT-6.1 Terra (Non-reasoning) | non-reasoning | 39 | 46% | 25% | 46% | $0.45 | 9.5m | 5.78M |
| Codex | GPT-6.1 Terra (Low) | low | 35 | 41% | 25% | 39% | $0.20 | 6.3m | 1.89M |
| Codex | GPT-6 Luna (Max) | max | 31 | 40% | 16% | 38% | $0.16 | 21.3m | 8.89M |
| Muse Code | Muse Wonder Full (Max) | max | 59 | 49% | 59% | 69% | $0.00 | 34.9m | 14.5M |
| Muse Code | Muse Wonder (Max) | max | 52 | 46% | 48% | 62% | $8.05 | 24.5m | 14.5M |
| Muse Code | Muse Spark 1.3 (Max) | max | 46 | 47% | 32% | 59% | $3.91 | 23.3m | 17.8M |
| Muse Code | Muse Spark Open (Xhigh) | xhigh | 26 | 23% | 6% | 51% | $3.54 | 26.0m | 13.3M |
Performance
Performance across the Artificial Analysis Coding Agent Index.
Artificial Analysis Coding Agent Index
Artificial Analysis Coding Agent Index v2.0 incorporates 3 benchmarks: FrontierCode v1.1, Terminal-Bench 4.0, and SWE-Atlas-QnA-AA · Higher is better
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Artificial Analysis Coding Agent Index vs. Cost per Task
Artificial Analysis Coding Agent Index vs. average pay-per-token API cost per task (USD)
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Most attractive quadrant
Token Usage
Token consumption across the Artificial Analysis Coding Agent Index.
Token Usage per Task
Average input, cache, and output tokens per task
Prompt cache hit rates can vary significantly by provider routing, which can materially change effective cost.
Artificial Analysis Coding Agent Index vs. Total Tokens
Artificial Analysis Coding Agent Index vs. average total tokens per task
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Most attractive quadrant
Cost
Pay-per-token API cost across the Artificial Analysis Coding Agent Index, based on current per-token pricing.
Cost per Task
Average pay-per-token API cost per task (USD) · Lower is better
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Execution Time
Active agent runtime across the Artificial Analysis Coding Agent Index.
Time per Task
Average agent wall time per task · Lower is better
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Artificial Analysis Coding Agent Index vs. Execution Time
Artificial Analysis Coding Agent Index vs. average agent wall time per task
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Most attractive quadrant