Cartesia Ink WhispervsClaude Opus 5

Cartesia Ink Whisper leads the overall Podium Score by 10.4 points (91.8 vs 81.4).Category wins: Cartesia Ink Whisper 1 — 3 Claude Opus 5.Cartesia Ink Whisper is the cheaper pick ($0.012/M vs $25/M per 1M output tokens). Cartesia Ink Whisper is faster (260 t/s vs 60 t/s).

Open in Compare Tool →View Cartesia Ink WhisperView Claude Opus 5
Cartesia Ink WhisperDrag slider or hover to compareClaude Opus 5
Claude Opus 5
81.4
Coding: 70.4 · Speed: 60 t/s
Output Price: $25/M
Cartesia Ink Whisper
91.8
Coding: 0.0 · Speed: 260 t/s
Output Price: $0.012/M
Quick VerdictAggregated 2026 Benchmark Analysis

Cartesia Ink Whisper is rated higher overall with a Podium Score of 91.8 (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
Cartesia Ink Whisper (260 t/s)
Cost Efficiency
Cartesia Ink Whisper ($0.012/M)
API Price / 1M (in · out)
Cartesia Ink Whisper $0.006/M · $0.012/M — Claude Opus 5 $5/M · $25/M

Choose Cartesia Ink Whisper for knowledge and factual QA, and Claude Opus 5 for long documents and large codebases.

MetricCartesia Ink WhisperClaude Opus 5
Podium Score91.8 ▲81.4
Arena Elo14501492 ▲
Intelligence Index92.0 ▲61.0
Coding0.070.4 ▲
Math0.0—
Reasoning28.082.3 ▲
Agentic68.0—
Knowledge45.0 ▲37.1
Multimodal88.0—
Long-context45.099.2 ▲
Output speed260 t/s ▲60 t/s
Output price$0.012/M ▲$25/M
Context window64K1000K ▲
Scores aggregated from five independent leaderboards. See Methodology. More head-to-heads: Cartesia Ink Whisper vs Claude Mythos · Cartesia Ink Whisper vs Claude 5.5 Sonnet · Cartesia Ink Whisper vs Kimi K3.1 Pro · Cartesia Ink Whisper vs Eleven Multilingual v3
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