LTX-2.3 ProvsStep Audio 2
LTX-2.3 Pro leads the overall Podium Score by 0.1 points (89.1 vs 89.0).Category wins: LTX-2.3 Pro 3 — 2 Step Audio 2.Step Audio 2 is the cheaper pick ($0.024/M vs $0.12/M per 1M output tokens). Step Audio 2 is faster (150 t/s vs 18 t/s).
LTX-2.3 ProDrag slider or hover to compareStep Audio 2
Quick VerdictAggregated 2026 Benchmark Analysis
LTX-2.3 Pro is rated higher overall with a Podium Score of 89.1 (vs 89.0 for Step Audio 2). In head-to-head domain evaluations, LTX-2.3 Pro outperforms in 3 of 7 benchmark categories.
Coding & Engineering
LTX-2.3 Pro (0.0)
Inference Speed
Step Audio 2 (150 t/s)
Cost Efficiency
Step Audio 2 ($0.024/M)
API Price / 1M (in · out)
LTX-2.3 Pro $0.12/M · $0.12/M — Step Audio 2 $0.012/M · $0.024/M
Choose LTX-2.3 Pro for vision and multimodal apps, and Step Audio 2 for autonomous agents and tool use.
| Metric | LTX-2.3 Pro | Step Audio 2 |
|---|---|---|
| Podium Score | 89.1 ▲ | 89.0 |
| Arena Elo | 1425 ▲ | 1422 |
| Intelligence Index | 89.0 | 89.0 |
| Coding | 0.0 | 0.0 |
| Math | 0.0 | 0.0 |
| Reasoning | 38.0 ▲ | 32.0 |
| Agentic | 22.0 | 55.0 ▲ |
| Knowledge | 50.0 ▲ | 46.0 |
| Multimodal | 97.0 ▲ | 85.0 |
| Long-context | 40.0 | 45.0 ▲ |
| Output speed | 18 t/s | 150 t/s ▲ |
| Output price | $0.12/M | $0.024/M ▲ |
| Context window | 64K | 64K |
Scores aggregated from five independent leaderboards. See Methodology. More head-to-heads: LTX-2.3 Pro vs Claude Mythos · LTX-2.3 Pro vs Claude 5.5 Sonnet · LTX-2.3 Pro vs Kimi K3.1 Pro · LTX-2.3 Pro vs Eleven Multilingual v3