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GPT-6.1 Sol (Fast)

openai·openai/gpt-6.1-sol-fast·GA·Closed·gpt-sol series·NEW
Near-Astra performance for complex coding, computer use, and professional work at a lower cost.

Specs & pricing

Input / output per 1M tokens
Reference price·Vercel AI Gateway
$4.00 / $20.00
Blended $8.00 · Cache read $0.20
Lowest paid·Vercel AI GatewayCloud
$4.00 / $20.00
Blended $8.00
Context
1,050,000
Output limit
128,000
Knowledge cutoff
2026-04-30
Released / updated
2026-09-29 / 2026-09-29
Capabilities
✓ Reasoning✓ Tool use✓ Structured outputTemperature✓ Attachments
Modalities
TextImagePDF

Available at 1 providers1 with public prices

ProviderTierInputOutputCache readCache writeContextOutput limitStatus
Vercel AI GatewayCloud$4.00
tiered >272K: $8.00
$20.00$0.20$5.001,050,000128,000

Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.

Reasoning control

effort = loweffort = mediumeffort = higheffort = xhigheffort = max

Your usage cost

1Vercel AI Gateway$1,344.00
The cheapest paid channel is the only channel.

Price historyone sample accumulated per data sync

Input list $4.00Output list $20.00Min blended $8.00

Price history accumulates from each data sync; currently only 1 sample(s) (2026-09-30). Each future sync adds a point, and once accumulated a line is drawn here.

Related models

GPT-6.1 Solsame series$2.00 / $10.00Agentic Chat (GPT-6.1 Sol)same series$0 / $0GPT-6.1 Sol (EU)same series$2.40 / $12.00GLM-5.2cheaper alternative$1.40 / $4.40GLM-5.3cheaper alternative$1.40 / $4.40GLM-5.3-Flashcheaper alternative$0.15 / $0.50DeepSeek V4.1 Flashcheaper alternative$0.15 / $0.60
Data partly from models.dev (MIT) · Vercel AI Gateway official docs ↗