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GPT-5.6 Sol (AWS Mantle)
openai·openai/gpt-5.6-sol-3·GA·Closed·gpt-sol series·NEW
Frontier GPT-5.6 model for complex professional work, coding, and agentic workflows
At a glance
Reference price$5.50 / $33.00 per 1M
Cache read $0.55 · LLM Gateway
Lowest paid$5.50 / $33.00
LLM Gateway Gateway
Context278,528
Output limit128,000
Capabilities
✓ Reasoning✓ Tool use✓ Structured outputTemperature✓ Attachments
Modalities
TextImagePDF
Knowledge cutoff2026-02-16
Released / updated2026-07-09 / 2026-07-09
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 |
|---|---|---|---|---|---|---|---|---|
| LLM Gateway aws-mantle/gpt-5.6-sol | Gateway | $5.50 | $33.00 | $0.55 | $6.88 | 278,528 | 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
1LLM Gateway$2,156.00
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
GPT-5.6 Solsame series$5.00 / $30.00GPT-5.6 Sol Prosame series$6.25 / $37.50GPT-5.6same series$5.00 / $30.00GLM-5.2cheaper alternative$1.40 / $4.40Kimi K2.6cheaper alternative$0.95 / $4.00DeepSeek V4 Procheaper alternative$0.435 / $0.87DeepSeek V4 Flashcheaper alternative$0.14 / $0.28
Price historyone sample accumulated per data sync
Input list $5.50Output list $33.00Min blended $12.38
Price history accumulates from each data sync; currently only 1 sample(s) (2026-08-21). Each future sync adds a point, and once accumulated a line is drawn here.