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OpenAI: GPT-5.6 Sol (50% off)
openai·openai/gpt-5.6-sol-discounted·GA·Closed·gpt series
GPT-5.6 Sol served by OpenAI through Vercel AI Gateway at 50% lower cost than other available inference providers. This promotion runs through September 18, 2026.
At a glance
Reference price$2.50 / $15.00 per 1M
Cache read $0.25 · Kilo Gateway
Lowest paid$2.50 / $15.00
Kilo Gateway Gateway
Context1,050,000
Output limit128,000
Capabilities
✓ Reasoning✓ Tool useStructured output✓ Temperature✓ Attachments
Modalities
TextImagePDF
Knowledge cutoff—
Released / updated2025-08-26 / 2025-08-26
Quality & performance
Artificial Analysis doesn't cover this model (267 of 2059 have data). Quality data comes from independent evals covering widely used models.
Available at 1 providers1 with public prices
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| Kilo Gateway | Gateway | $2.50 | $15.00 | $0.25 | $3.13 | 1,050,000 | 128,000 |
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.
Your usage cost
1Kilo Gateway$980.00
The cheapest paid channel is the only channel.
Benchmark
No upstream benchmark data for this model. For quality, see the Artificial Analysis intelligence score above.
Reasoning control
effort = noneeffort = loweffort = mediumeffort = higheffort = xhigheffort = max
Related models
RouteLLMsame series$3.00 / $15.00GPT-Realtime-2.1same series$4.00 / $24.00NanoGPT Helpsame series$0 / $0GLM-5.2cheaper alternative$1.40 / $4.40DeepSeek V4 Procheaper alternative$0.435 / $0.87DeepSeek V4 Flashcheaper alternative$0.14 / $0.28DeepSeek V4 Flash 0731cheaper alternative$0.479 / $1.44
Price historyone sample accumulated per data sync
Input list $2.50Output list $15.00Min blended $5.63
Price history accumulates from each data sync; currently only 1 sample(s) (2026-08-20). Each future sync adds a point, and once accumulated a line is drawn here.