GPT-5.5
As of Oct 4, 2026, the cheapest GPT-5.5 API price is $0.1875 per 1M input tokens (UnoRouter) and $1.125 per 1M output tokens (UnoRouter). GPT-5.5 is offered by 47 providers in the gpt family, reasoning enabled. OpenAI's own rate is $30 per 1M output tokens. 2 providers list it as a free-tier offer. It is also included in 2 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.
| UnoRouter | Cheapest$0.1875 | Cheapest$1.125 | — | — | 1.1M | — |
| Xpersona | $1.5 | $12 | $0.15 | — | 1.1M | — |
 FrogBot | $2.5 | $15 | $0.25 | — | 272k | — |
| Xpersona | $3 | $18 | $0.3 | — | 1.0M | — |
| Ofox | $4 | $24 | $0.4 | — | 1.1M | 16d agoout −20% |
| Poe | $4.5455 | $27.2727 | $0.4545 | — | 400k | — |
 302.AI | $5 | $30 | — | — | 1.1M | — |
| Abacus | $5 | $30 | $0.5 | — | 1.0M | — |
| AI-ROUTER | $5 | $30 | $0.5 | — | 1.1M | — |
| AIHubMix | †$5 | $30 | $0.5 | — | 1.1M | — |
| Azure | †$5 | $30 | $0.5 | — | 1.1M | — |
| Azure Cognitive Services | †$5 | $30 | $0.5 | — | 1.1M | — |
| Cloudflare AI Gateway | $5 | $30 | — | — | 1.0M | — |
| CrossModel | †$5 | $30 | $0.5 | $5 | 1.1M | — |
| DaoXE | $5 | $30 | $0.5 | — | 1.1M | — |
| Databricks | †$5 | $30 | $0.5 | — | 1.1M | — |
| DigitalOcean | †$5 | $30 | $0.5 | — | 1.0M | — |
| Eden AI | †$5 | $30 | $0.5 | — | 1.1M | — |
| FastRouter | $5 | $30 | — | — | 1.1M | — |
| FreeModel | $5 | $30 | $0.5 | $5 | 1.1M | — |
| GMI Cloud | $5 | $30 | $0.5 | — | 1.1M | — |
| HPC-AI | †$5 | $30 | $0.5 | — | 1.1M | — |
| Impossibl | †$5 | $30 | $0.5 | — | 1.1M | — |
| Kilo Gateway | $5 | $30 | $0.5 | — | 1.1M | — |
| DevPass (LLM Gateway) | †$5 | $30 | $0.5 | — | 1.1M | — |
| LLM Gateway | †$5 | $30 | $0.5 | — | 1.1M | — |
| LLM Gateway | †$5 | $30 | $0.5 | — | 1.1M | — |
| Merge Gateway | †$5 | $30 | $0.5 | — | 1.1M | — |
| NanoGPT | $5 | $30 | $0.5 | — | 1.1M | — |
| NEAR AI Cloud | †$5 | $30 | $0.5 | — | 1.1M | — |
| Neon | †$5 | $30 | $0.5 | — | 1.1M | — |
| OpenAI | †$5 | $30 | $0.5 | — | 1.1M | — |
| OpenCode Zen | †$5 | $30 | $0.5 | — | 1.1M | — |
| OpenRouter | †$5 | $30 | $0.5 | — | 1.1M | — |
| Opper | †$5 | $30 | $0.5 | — | 1.1M | — |
| OrcaRouter | †$5 | $30 | $0.5 | — | 1.1M | — |
| Perplexity Agent | $5 | $30 | $0.5 | — | 1.1M | — |
| Pioneer | $5 | $30 | $0.5 | $5 | 1.1M | — |
| SAP AI Core | $5 | $30 | $0.5 | — | 1.1M | — |
| Vercel AI Gateway | †$5 | $30 | $0.5 | — | 1.0M | — |
| Vivgrid | †$5 | $30 | $0.5 | — | 1.1M | — |
| ZenMux | †$5 | $30 | $0.5 | — | 1.1M | — |
| Amazon Bedrock | $5.5 | $33 | $0.55 | — | 1.0M | — |
| Requesty | $5.5 | $33 | $0.55 | — | 1.1M | — |
| Requestyeu | †$5.5 | $33 | $0.55 | — | 1.1M | 2d agoout +10% |
| Venice AI | †$6.25 | $37.5 | $0.625 | — | 1.0M | — |
| Kenarifree | free | free | — | — | 1.1M | — |
| UnoRouterfree | free | free | — | — | 1.1M | — |
Subscription plans (not per-token)
Billed per month, not per token — never counted as the cheapest offer.
| GitHub Copilotplan | $5 | $30 | 1.1M |
GPT-5.5 pricing FAQ
What is the cheapest GPT-5.5 API?
As of Oct 4, 2026, UnoRouter has the lowest GPT-5.5 output price at $1.125 per 1M tokens, and UnoRouter has the lowest input price at $0.1875 per 1M tokens. Prices are metered per-token rates in USD; free tiers and subscription plans are excluded.
How much does GPT-5.5 cost on OpenAI?
OpenAI charges $5 per 1M input tokens and $30 per 1M output tokens for GPT-5.5.
How many providers offer GPT-5.5?
47 providers list GPT-5.5 on Sovyron; 46 of them sell it at a metered per-token price.
Is GPT-5.5 free?
2 provider(s) list a free-tier offer: Kenari, UnoRouter. Free tiers usually have rate limits.
Is GPT-5.5 included in a subscription plan?
Yes. 2 flat-rate plan(s) include it; the cheapest is GitHub Copilot Pro at $10/month.
What is the context window of GPT-5.5?
GPT-5.5 supports a 1.1M-token context window and up to 131k 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
—