Claude 5.5 HaikuvsGPT-6 Sol

Claude 5.5 Haiku leads the overall Podium Score by 9.5 points (87.5 vs 78.0).Category wins: Claude 5.5 Haiku 4 — 0 GPT-6 Sol. GPT-6 Sol is faster (220 t/s vs 145 t/s).

Open in Compare Tool →View Claude 5.5 HaikuView GPT-6 Sol
Claude 5.5 HaikuDrag slider or hover to compareGPT-6 Sol
GPT-6 Sol
78.0
Coding: 55.0 · Speed: 220 t/s
Output Price: $4/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 78.0 for GPT-6 Sol). In head-to-head domain evaluations, Claude 5.5 Haiku outperforms in 4 of 7 benchmark categories.

Coding & Engineering
Claude 5.5 Haiku (84.0)
Inference Speed
GPT-6 Sol (220 t/s)
Cost Efficiency
Comparable
API Price / 1M (in · out)
Claude 5.5 Haiku $0.8/M · $4/M — GPT-6 Sol $1/M · $4/M

Choose Claude 5.5 Haiku for complex reasoning and analysis, and GPT-6 Sol for low-latency applications.

MetricClaude 5.5 HaikuGPT-6 Sol
Podium Score87.5 ▲78.0
Arena Elo1410—
Intelligence Index88.0—
Coding84.0 ▲55.0
Math86.5—
Reasoning88.0 ▲75.0
Agentic78.5—
Knowledge81.0 ▲45.0
Multimodal88.0 ▲80.0
Long-context91.0—
Output speed145 t/s220 t/s ▲
Output price$4/M$4/M
Context window500K ▲400K
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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