Ways to buy 6
| Way to buy | Input | Output | In / out per 1M | Cached | Vs list |
|---|---|---|---|---|---|
flex, cheapest · cached $0.05 | $1 | $5 | $1 / $5-50% vs list | $0.05 | -50% vs list |
The lab's own API · cached $0.1 | $2 | $10 | $2 / $10List price | $0.1 | List price |
Default region · cached $0.1 | $2 | $10 | $2 / $10Same as list | $0.1 | Same as list |
eu · cached $0.11 | $2.2 | $11 | $2.2 / $11+10% vs list | $0.11 | +10% vs list |
us · cached $0.11 | $2.2 | $11 | $2.2 / $11+10% vs list | $0.11 | +10% vs list |
fast · cached $0.2 | $4 | $20 | $4 / $20+100% vs list | $0.2 | +100% vs list |
USD per 1M tokens. Regions are separate routes.
Through a gateway
Your own numbers100M input and 20M output tokens a month: $400.00 direct.
Kong AI Gateway$400.00+0%
OpenRouter$422.00+5.5%
Cloudflare AI GatewayNot offeredNot offered
Eden AINot offeredNot offered
HeliconeNot offeredNot offered
LiteLLMNot offeredNot offered
Martian GatewayNot offeredNot offered
Neon AI GatewayNot offeredNot offered
RequestyNot offeredNot offered
Vercel AI GatewayNot offeredNot offered
A dash: not on that gateway's own model list. No published token fee: Portkey, TrueFoundry AI Gateway.
Related models
| In / out per 1M | Cheapest route | ||||||
|---|---|---|---|---|---|---|---|
OpenAI · 1.05MCheapest: $2 on OpenAI (flex) | $2 | $10 | $2 / $10 | $4 | 1.05M | $2 on OpenAI (flex) | · |
OpenAI · 1.05MCheapest: $0.1 on OpenAI (flex) | $0.1 | $0.5 | $0.1 / $0.5 | $0.2 | 1.05M | $0.1 on OpenAI (flex) | · |
OpenAI · 1.05MCheapest: $0.1 on OpenAI (flex) | $0.1 | $0.5 | $0.1 / $0.5 | $0.2 | 1.05M | $0.1 on OpenAI (flex) | · |
OpenAI · 1.05MCheapest: $2 on OpenAI (flex) | $2 | $10 | $2 / $10 | $4 | 1.05M | $2 on OpenAI (flex) | · |
Anthropic · 1M | $4 | $20 | $4 / $20 | $8 | 1M | Lab list price | · |
Anthropic · 1M | $2 | $10 | $2 / $10 | $4 | 1M | Lab list price | · |
Meta · 1M | $1.25 | $4.25 | $1.25 / $4.25 | $2 | 1M | Lab list price | · |
Google · 1MCheapest: $2.25 on Google Vertex AI (global-flex) | $2 | $12 | $2 / $12 | $4.5 | 1M | $2.25 on Google Vertex AI (global-flex) | · |
About GPT-6.1 Sol Pro
GPT-6.1 Sol Pro is the same underlying model as [GPT-6.1 Sol](https://openrouter.ai/openai/gpt-6.1-sol), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks.
Takes files, image, text in and returns text. First listed Oct 2, 2026. Up to 128K output tokens. Blended price $4 per 1M tokens at 3 input to 1 output. Model id gpt-6-1-sol-pro.
Price history
List price since Oct 2, 2026, from daily reads of the OpenRouter catalog.
Questions
How much does GPT-6.1 Sol Pro cost?
$2 per million input tokens and $10 per million output tokens, with cached input at $0.1.
What is the context window of GPT-6.1 Sol Pro?
1.05M tokens, with up to 128K tokens of output.
Where is GPT-6.1 Sol Pro cheapest?
Of 6 routes tracked, OpenAI is cheapest at $1 input and $5 output per million tokens.