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GPT-5.6 Sol vs GPT-6.1 Sol

17 SHARED BENCHMARKS

Across 17 shared benchmarks, GPT-5.6 Sol scores higher on 1 and GPT-6.1 Sol on 16. The widest gap is U18 evaluations - Eating Disorders, where GPT-6.1 Sol scores 1 against 0.7. GPT-6.1 Sol is the cheaper of the two on tracked API pricing ($2.00 against $4.00 per million input tokens).

OPENAIVSOPENAI17 SHARED1–16 HEAD-TO-HEADNEWEST SCORE ADDED

At a glance

GPT-5.6 SolGPT-6.1 Sol
MakerOpenAIOpenAI
Released—
Price per 1M tokens input / output$4.00 / $20.00$2.00 / $10.00
Cost of 1M in + 1M out$24.00$12.00 2.0× less
Head-to-head of 17 shared benchmarks1 wins16 wins
Scores tracked independently verified215 28 ◆17 0 ◆

GPT-5.6 Sol's release date per Artificial Analysis. Prices: Artificial Analysis for GPT-5.6 Sol; Artificial Analysis for GPT-6.1 Sol. ◆ = independently verified score.

Every shared benchmark17 · grouped by area

Other shared benchmarks 17

BenchmarkGPT-5.6 SolMARGINGPT-6.1 Sol
Dynamic Benchmarks - Emotional reliance11
Dynamic Benchmarks - Mental health11
Dynamic Benchmarks - Self-harm0.91
HealthBench Consensus length-adjusted95.596
HealthBench Hard length-adjusted33.136.2
HealthBench Professional length-adjusted60.564.2
Image input evaluations - extremism11
Image input evaluations - harms-erotic11
Image input evaluations - hate11
Image input evaluations - self-harm11
Production Benchmarks - Gore0.80.9
U18 evaluations - Age-restricted goods, services, and dangerous challenges / activities0.70.9
U18 evaluations - Eating Disorders0.71
U18 evaluations - Emotional Reliance0.91
U18 evaluations - Gore0.80.9
U18 evaluations - Self Harm11
U18 evaluations - Sexual Content0.91

Each score is the one the model's own page shows — the most authoritative tracked result for that benchmark, on the benchmark's standard methodology (source-attributed). ↓ marks lower-is-better metrics; ◆ an independently verified score. Open either model for its full surface, provenance and pricing. Quoted rates are the price-setter row we currently track for each model — its direct or vendor-official listing where one exists (direct, direct), otherwise the lowest tracked offer.

Compare GPT-5.6 Sol withALL PAIRINGS →

OpenAIGPT-5.5GPT-5.4GPT-5.2GPT-5GPT-6 AstraGPT-5.1
Across the fieldGemini 3.1 ProClaude Opus 4.8Claude Opus 4.6Claude Sonnet 4.5Claude Opus 4.7Gemini 3 ProClaude Fable 5Claude Opus 5