GPT-6.1 SolvsClaude Fable 5.1

GPT-6.1 Sol leads the overall Podium Score by 4.0 points (92.4 vs 88.4).Category wins: GPT-6.1 Sol 3 — 1 Claude Fable 5.1.Claude Fable 5.1 is the cheaper pick ($15/M vs $20/M per 1M output tokens). Claude Fable 5.1 is faster (85 t/s vs 75 t/s).

Open in Compare Tool →View GPT-6.1 SolView Claude Fable 5.1
GPT-6.1 SolDrag slider or hover to compareClaude Fable 5.1
Claude Fable 5.1
88.4
Coding: 95.5 · Speed: 85 t/s
Output Price: $15/M
GPT-6.1 Sol
92.4
Coding: 89.0 · Speed: 75 t/s
Output Price: $20/M
Quick VerdictAggregated 2026 Benchmark Analysis

GPT-6.1 Sol is rated higher overall with a Podium Score of 92.4 (vs 88.4 for Claude Fable 5.1). In head-to-head domain evaluations, GPT-6.1 Sol outperforms in 3 of 7 benchmark categories.

Coding & Engineering
Claude Fable 5.1 (95.5)
Inference Speed
Claude Fable 5.1 (85 t/s)
Cost Efficiency
Claude Fable 5.1 ($15/M)
API Price / 1M (in · out)
GPT-6.1 Sol $5/M · $20/M — Claude Fable 5.1 $3/M · $15/M

Choose GPT-6.1 Sol for complex reasoning and analysis, and Claude Fable 5.1 for coding and software engineering.

MetricGPT-6.1 SolClaude Fable 5.1
Podium Score92.4 ▲88.4
Arena Elo1495—
Intelligence Index93.0—
Coding89.095.5 ▲
Math95.0—
Reasoning95.5 ▲92.0
Agentic86.5—
Knowledge89.0 ▲58.0
Multimodal93.0 ▲62.0
Long-context96.0—
Output speed75 t/s85 t/s ▲
Output price$20/M$15/M ▲
Context window1000K ▲500K
Scores aggregated from five independent leaderboards. See Methodology. More head-to-heads: GPT-6.1 Sol vs Claude Mythos · GPT-6.1 Sol vs Claude 5.5 Sonnet · GPT-6.1 Sol vs Kimi K3.1 Pro · GPT-6.1 Sol vs Eleven Multilingual v3
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