Comparing 2 models
Muse Spark 1.2 vs GPT-6 Astra
Benchmarks through
Verdict
Muse Spark 1.2 places higher on 1 of the 1 tasks where both are ranked. Muse Spark 1.2 costs 8.0x less per input token. GPT-6 Astra accepts 1.0x more context.
- Choose Muse Spark 1.2 for Image Understanding (#3).
Built from the published task rankings below; ranks come from each task's own weighted benchmarks, so a win on one task says nothing about another.
Measured head to head
Benchmarks both models were run on
| Evaluation | Muse Spark 1.2 | GPT-6 Astra | Source |
|---|---|---|---|
| LiveBench Agentic Coding | 57.6% | 57.3% | source · 2026-10-18 |
| LiveBench Coding | 77.5% | 80.4% | source · 2026-10-18 |
| LiveBench Data Analysis | 76.5% | 83.0% | source · 2026-10-18 |
| LiveBench Instruction Following | 74.3% | 75.6% | source · 2026-10-18 |
| LiveBench Language | 78.6% | 89.4% | source · 2026-10-18 |
| LiveBench Math | 91.2% | 96.8% | source · 2026-10-18 |
| LiveBench Reasoning | 90% | 92.7% | source · 2026-10-18 |
| LMArena Agent | -6.7 | 15.1 | source · 2026-10-19 |
| LMArena Agent Bash Recovery | 5.8 | 5.5 | source · 2026-10-08 |
| LMArena Agent Steerability | -8.5 | 15.5 | source · 2026-10-19 |
| LMArena Agent Task Outcome | -8.5 | 12.8 | source · 2026-10-19 |
| LMArena Agent Tool Hallucination | 0.3 | 0.7 | source · 2026-10-19 |
| LMArena Creative Writing | 1440 Elo | 1421 Elo | source · 2026-10-15 |
| LMArena Instruction Following | 1462 Elo | 1455 Elo | source · 2026-10-15 |
| LMArena Long Query | 1476 Elo | 1461 Elo | source · 2026-10-15 |
| LMArena Math | 1476 Elo | 1465 Elo | source · 2026-10-15 |
| LMArena Text | 1493 Elo | 1477 Elo | source · 2026-10-15 |
| LMArena Text Factuality | 1481 Elo | 1466 Elo | source · 2026-10-15 |
| LMArena Vision | 1293 Elo | 1285 Elo | source · 2026-10-19 |
| LMArena Vision Diagrams | 1316 Elo | 1310 Elo | source · 2026-10-19 |
| LMArena Vision OCR | 1307 Elo | 1299 Elo | source · 2026-10-19 |
| LMArena WebDev | 1534 Elo | 1774 Elo | source · 2026-10-19 |
| SimpleQA Verified (Epoch AI) | 60.3% ± 1.6 | 75.6% ± 1.4 | source · 2026-08-27 |
Values are as published by each evaluator, in its own units; rows from different evaluators are not on a common scale.
task evidence
How they place when the question changes
Lower ranks are better. “Best” marks the strongest option in this shortlist for that task.