LTX-2.3 ProvsClaude Opus 5

LTX-2.3 Pro leads the overall Podium Score by 7.7 points (89.1 vs 81.4).Category wins: LTX-2.3 Pro 1 — 3 Claude Opus 5.LTX-2.3 Pro is the cheaper pick ($0.12/M vs $25/M per 1M output tokens). Claude Opus 5 is faster (60 t/s vs 18 t/s).

Open in Compare Tool →View LTX-2.3 ProView Claude Opus 5
LTX-2.3 ProDrag slider or hover to compareClaude Opus 5
Claude Opus 5
81.4
Coding: 70.4 · Speed: 60 t/s
Output Price: $25/M
LTX-2.3 Pro
89.1
Coding: 0.0 · Speed: 18 t/s
Output Price: $0.12/M
Quick VerdictAggregated 2026 Benchmark Analysis

LTX-2.3 Pro is rated higher overall with a Podium Score of 89.1 (vs 81.4 for Claude Opus 5). In head-to-head domain evaluations, Claude Opus 5 outperforms in 3 of 7 benchmark categories.

Coding & Engineering
Claude Opus 5 (70.4)
Inference Speed
Claude Opus 5 (60 t/s)
Cost Efficiency
LTX-2.3 Pro ($0.12/M)
API Price / 1M (in · out)
LTX-2.3 Pro $0.12/M · $0.12/M — Claude Opus 5 $5/M · $25/M

Choose LTX-2.3 Pro for knowledge and factual QA, and Claude Opus 5 for long documents and large codebases.

MetricLTX-2.3 ProClaude Opus 5
Podium Score89.1 ▲81.4
Arena Elo14251492 ▲
Intelligence Index89.0 ▲61.0
Coding0.070.4 ▲
Math0.0—
Reasoning38.082.3 ▲
Agentic22.0—
Knowledge50.0 ▲37.1
Multimodal97.0—
Long-context40.099.2 ▲
Output speed18 t/s60 t/s ▲
Output price$0.12/M ▲$25/M
Context window64K1000K ▲
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
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