Pricingby GlyphGPT-6.1 Terra Pro is the same underlying model as GPT-6.1 Terra, served with reasoning.mode set to pro for higher-quality responses on complex tasks.
Ways to buy 3
| Way to buy | Input | Output | In / out per 1M | Cached | Vs list |
|---|---|---|---|---|---|
flex, cheapest · cached $0.025 | $0.5 | $2.5 | $0.5 / $2.5-50% vs list | $0.025 | -50% vs list |
The lab's own API · cached $0.05 | $1 | $5 | $1 / $5List price | $0.05 | List price |
fast · cached $0.1 | $2 | $10 | $2 / $10+100% vs list | $0.1 | +100% vs list |
USD per 1M tokens; batch $0.5 in, $2.5 out on the lab's API. Regions are separate routes.
Through a gateway
Your own numbers100M input and 20M output tokens a month: $200.00 direct.
Kong AI Gateway$200.00+0%
OpenRouter$211.00+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: $1 on OpenAI (flex) | $1 | $5 | $1 / $5 | $2 | 1.05M | $1 on OpenAI (flex) | · | GPT-6.1 Terra is the mid-tier model in OpenAI's GPT-6.1 series, priced below GPT-6.1 Sol. |
OpenAI · 1.05MCheapest: $2 on OpenAI (flex) | $2 | $10 | $2 / $10 | $4 | 1.05M | $2 on OpenAI (flex) | · | GPT-6.1 Sol is an upgrade to GPT-6 Sol from OpenAI, positioned below the flagship GPT-6 Astra in the GPT-6 series. |
OpenAI · 1.05MCheapest: $2 on OpenAI (flex) | $2 | $10 | $2 / $10 | $4 | 1.05M | $2 on OpenAI (flex) | · | GPT-6.1 Sol Pro is the same underlying model as GPT-6.1 Sol, served with reasoning.mode set to pro for higher-quality responses on complex tasks. |
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) | · | GPT-6 Luna is the fast, cost-efficient model in OpenAI's GPT-6 series, positioned below GPT-6 Sol. |
Google · 1MCheapest: $2 on Google Gemini API (flex) | $2 | $10 | $2 / $10 | $4 | 1M | $2 on Google Gemini API (flex) | · | Gemini 4 Argon is Google's flagship reasoning model, built for complex software engineering, deep mathematical and scientific problem solving, and autonomous multi-step agents. |
Anthropic · 1M | $2 | $10 | $2 / $10 | $4 | 1M | Lab list price | · | Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, succeeding Claude Sonnet 5 as a direct upgrade. |
Google · 1MCheapest: $0.75 on Google Gemini API (flex) | $0.75 | $3.75 | $0.75 / $3.75 | $1.5 | 1M | $0.75 on Google Gemini API (flex) | · | Gemini 3.8 Flash is Google's most intelligent Flash model with significant gains from 3.7 Flash across software engineering, agentic tasks, and multi-step reasoning. |
Meta · 1M | $1.25 | $4.25 | $1.25 / $4.25 | $2 | 1M | Lab list price | · | Muse Spark 1.1 is a multimodal reasoning model from Meta, built for agentic tasks. |
About GPT-6.1 Terra Pro
Takes files, image, text in and returns text. First listed Oct 27, 2026. Up to 128K output tokens. Blended price $2 per 1M tokens at 3 input to 1 output. Model id gpt-6-1-terra-pro.
Price history
List price since Oct 27, 2026, from daily reads of the OpenRouter catalog.
Questions
How much does GPT-6.1 Terra Pro cost?
$1 per million input tokens and $5 per million output tokens, with cached input at $0.05, or $0.5 and $2.5 through the Batch API.
What is the context window of GPT-6.1 Terra Pro?
1.05M tokens, with up to 128K tokens of output.
Where is GPT-6.1 Terra Pro cheapest?
Of 3 routes tracked, OpenAI is cheapest at $0.5 input and $2.5 output per million tokens.