GPT-5.6 Sol
As of Oct 4, 2026, the cheapest GPT-5.6 Sol API price is $1.5 per 1M input tokens (Xpersona) and $10 per 1M output tokens (Cloudflare AI Gateway). GPT-5.6 Sol is offered by 39 providers in the gpt-sol family, reasoning enabled. OpenAI's own rate is $20 per 1M output tokens. One provider lists it as a free-tier offer. It is also included in 3 flat-rate subscription plans, GitHub Copilot Pro from $10/mo.
API pricing by provider
Metered per-token prices. Cheapest input and output are highlighted; † marks a context-tier surcharge. How prices are ranked.
| Cloudflare AI Gateway | $2 | Cheapest$10 | $0.25 | $3.125 | 1.1M | — |
| NanoGPT | $2 | $10 | $0.2 | $2.5 | 1.1M | — |
| OpenRouter | †$2 | $10 | $0.2 | $2.5 | 1.1M | — |
| Xpersona | Cheapest$1.5 | $12 | $0.15 | — | 372k | — |
| Ofox | $2.5 | $15 | $0.25 | $3.125 | 1.1M | — |
| routing.run | $2.5 | $15 | — | — | 1.0M | — |
| Amazon Bedrockglobal | †$4 | $20 | $0.4 | $5 | 1.1M | — |
| Azure | †$4 | $20 | $0.5 | $6.25 | 1.1M | — |
| CrossModel | †$4 | $20 | $0.4 | $5 | 1.1M | — |
| DigitalOcean | †$4 | $20 | $0.4 | — | 1.1M | — |
| Eden AI | †$4 | $20 | $0.4 | $5 | 1.1M | — |
| Kilo Gateway | $4 | $20 | $0.4 | $5 | 1.1M | — |
| Kilo Gateway | $4 | $20 | $0.4 | $5 | 1.1M | — |
| DevPass (LLM Gateway) | $4 | $20 | $0.4 | $5 | 1.1M | 15d agoout −33.3% |
| LLM Gateway | $4 | $20 | $0.4 | $5 | 1.1M | 15d agoout −33.3% |
| LLM Gateway | $4 | $20 | $0.4 | $5 | 1.1M | 15d agoout −33.3% |
| OpenAI | †$4 | $20 | $0.4 | $5 | 1.1M | — |
| OpenCode Zen | †$4 | $20 | $0.4 | $5 | 1.1M | 15d agoout +100% |
| OrcaRouter | $4 | $20 | $0.4 | $5 | 1.1M | — |
| Requesty | †$4 | $20 | $0.4 | $5 | 1.1M | — |
| Vercel AI Gateway | †$4 | $20 | $0.4 | $5 | 1.1M | 14d agoout +100% |
| Cortecs | $4.399 | $21.998 | $0.44 | $5.5 | 1.1M | 10d agoout −33.3% |
| Amazon Bedrock | †$4.4 | $22 | $0.44 | $5.5 | 1.1M | — |
| Amazon Bedrockus | †$4.4 | $22 | $0.44 | $5.5 | 1.1M | — |
| Requestyeu | †$4.4 | $22 | $0.44 | $5.5 | 1.1M | 22d agoout −33.3% |
| Venice AI | †$5 | $25 | $0.5 | $6.25 | 1.0M | 15d agoout +100% |
 302.AI | $5 | $30 | — | — | 1.1M | — |
| Abacus | $5 | $30 | $0.5 | — | 1.0M | — |
| AI-ROUTER | $5 | $30 | $0.5 | $6.25 | 1.1M | — |
| AIHubMix | $5 | $30 | $0.5 | $6.25 | 1.1M | — |
| Azure Cognitive Services | †$5 | $30 | $0.5 | — | 1.1M | — |
| Databricks | †$5 | $30 | $0.5 | — | 1.1M | — |
| Impossibl | †$5 | $30 | $0.5 | $6.25 | 1.1M | — |
| Merge Gateway | $5 | $30 | $0.5 | $5 | 1.1M | — |
| Neon | †$5 | $30 | $0.5 | $6.25 | 1.1M | — |
| Opper | †$5 | $30 | $0.5 | $6.25 | 1.0M | — |
| Pioneer | $5 | $30 | $0.5 | $6.25 | 1.1M | — |
| SAP AI Core | †$5 | $30 | $0.5 | — | 1.1M | — |
| Vivgrid | $5 | $30 | $0.5 | $6.25 | 1.1M | — |
| ZenMux | †$5 | $30 | $0.5 | $6.25 | 1.1M | — |
| Kenarifree | free | free | — | — | 1.1M | — |
Subscription plans (not per-token)
Billed per month, not per token — never counted as the cheapest offer.
| GitHub Copilotplan | $4 | $20 | 1.1M |
GPT-5.6 Sol pricing FAQ
What is the cheapest GPT-5.6 Sol API?
As of Oct 4, 2026, Cloudflare AI Gateway has the lowest GPT-5.6 Sol output price at $10 per 1M tokens, and Xpersona has the lowest input price at $1.5 per 1M tokens. Prices are metered per-token rates in USD; free tiers and subscription plans are excluded.
How much does GPT-5.6 Sol cost on OpenAI?
OpenAI charges $4 per 1M input tokens and $20 per 1M output tokens for GPT-5.6 Sol.
How many providers offer GPT-5.6 Sol?
39 providers list GPT-5.6 Sol on Sovyron; 40 of them sell it at a metered per-token price.
Is GPT-5.6 Sol free?
1 provider(s) list a free-tier offer: Kenari. Free tiers usually have rate limits.
Is GPT-5.6 Sol included in a subscription plan?
Yes. 3 flat-rate plan(s) include it; the cheapest is GitHub Copilot Pro at $10/month.
What is the context window of GPT-5.6 Sol?
GPT-5.6 Sol supports a 1.1M-token context window and up to 128k output tokens.
Token cost calculator
What a month costs at one provider's published rates. Enter the tokens you expect to send and receive; cached tokens use the cached-input price where the provider lists one, and count as ordinary input where it does not.
Estimated
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