OpenAI

OpenAI: GPT-6.1 Terra

GPT-6.1 Terra is the mid-tier model in OpenAI's GPT-6.1 series, priced below GPT-6.1 Sol. It is suited for everyday agentic, coding, and writing work, is particularly strong at understanding screenshots...

gpt-6.1-terra

Pricing

~97%

Input: $0.0311 / 1,000,000 tokens
Output: $0.1555 / 1,000,000 tokens
Cache read: $0.001555 / 1,000,000 tokens
Cache write: $0.038875 / 1,000,000 tokens

How pricing works

Discount history

96.9%Nov 8, 03:56 AM UTC

Nov 7, 11:57 PMNov 8, 03:56 AM UTC

Model details

Input: file, image, text
Output: text
Context window: 1,050,000 tokens
Maximum output: 128,000 tokens
Availability: $1KUncapped capacity
Updated: 11/8/2026, 3:58:06 AM UTC

Capacity is reserved when your request is accepted.

Capabilities

ChatStreamingWeb searchVisionTool callingReasoningJSON mode

Supported parameters

include_reasoningmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstool_choicetoolsverbosity