Claude 5.5 HaikuvsClaude Fable 5.1 (High)

Claude 5.5 Haiku leads the overall Podium Score by 1.0 points (87.5 vs 86.5).Category wins: Claude 5.5 Haiku 3 — 1 Claude Fable 5.1 (High).Claude 5.5 Haiku is the cheaper pick ($4/M vs $15/M per 1M output tokens). Claude 5.5 Haiku is faster (145 t/s vs 92 t/s).

Open in Compare Tool →View Claude 5.5 HaikuView Claude Fable 5.1 (High)
Claude 5.5 HaikuDrag slider or hover to compareClaude Fable 5.1 (High)
Claude Fable 5.1 (High)
86.5
Coding: 88.0 · Speed: 92 t/s
Output Price: $15/M
Claude 5.5 Haiku
87.5
Coding: 84.0 · Speed: 145 t/s
Output Price: $4/M
Quick VerdictAggregated 2026 Benchmark Analysis

Claude 5.5 Haiku is rated higher overall with a Podium Score of 87.5 (vs 86.5 for Claude Fable 5.1 (High)). In head-to-head domain evaluations, Claude 5.5 Haiku outperforms in 3 of 7 benchmark categories.

Coding & Engineering
Claude Fable 5.1 (High) (88.0)
Inference Speed
Claude 5.5 Haiku (145 t/s)
Cost Efficiency
Claude 5.5 Haiku ($4/M)
API Price / 1M (in · out)
Claude 5.5 Haiku $0.8/M · $4/M — Claude Fable 5.1 (High) $3/M · $15/M

Choose Claude 5.5 Haiku for complex reasoning and analysis, and Claude Fable 5.1 (High) for coding and software engineering.

MetricClaude 5.5 HaikuClaude Fable 5.1 (High)
Podium Score87.5 ▲86.5
Arena Elo1410—
Intelligence Index88.0—
Coding84.088.0 ▲
Math86.5—
Reasoning88.0 ▲85.0
Agentic78.5—
Knowledge81.0 ▲45.0
Multimodal88.0 ▲30.0
Long-context91.0—
Output speed145 t/s ▲92 t/s
Output price$4/M ▲$15/M
Context window500K500K
Scores aggregated from five independent leaderboards. See Methodology. More head-to-heads: Claude 5.5 Haiku vs Claude Mythos · Claude 5.5 Haiku vs Claude 5.5 Sonnet · Claude 5.5 Haiku vs Kimi K3.1 Pro · Claude 5.5 Haiku vs Eleven Multilingual v3
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