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Put up to 4 models beside each other — token prices, context windows, capabilities and provider, from the same catalogue the model pages read.

  1. Gemini 3 Pro Image (Google AI Studio)GoogleEnterprise & partner accessRemove
  2. GPT-6.1 TerraOpenAIRemove
gemini-3-pro-image-aistudio vs gpt-6.1-terra
AttributeGemini 3 Pro Image (Google AI Studio)gemini-3-pro-image-aistudioGPT-6.1 Terragpt-6.1-terra
Pricing
Request$0.134 / request—
BillingPay Per Request—
Cache Write (5m)Not applicable$1.00 / 1M
Cache Write (1h)Not applicable$1.00 / 1M
Cache ReadNot applicable$1.00 / 1M
Input—$1.00 / 1M
Output—$5.00 / 1M
Web Search—$0 / 1M
Context
Max contextN/A1M
Max outputN/AN/A
Capabilities
VisionYesYes
Function CallingNoYes
JSON ModeNoYes
StreamingNoNo
Catalogue
ProviderGoogleOpenAI
Categoryimagechat
Charge typePay Per RequestPay As You Go
Released——
Description
SummaryGemini 3 Pro Image served from Google AI Studio. Billed per image at US$0.134. Call it through /v1/chat/completions with stream set to false; the image is returned in the message content as a base64 data URI. Maximum output resolution is 2K. A request for a larger size, such as 4K or 4096x4096, returns a 2K image with the same aspect ratio at the same price. When a size is reduced, the response carries an X-Image-Resolution-Capped header with the requested and delivered size, for example 4096x4096->2048x2048.GPT-6.1 Terra is OpenAI’s mid-tier model in the GPT-6.1 series, designed to balance capability, speed, and cost efficiency. Positioned below GPT-6.1 Sol, it delivers strong performance across everyday agentic workflows, coding, and professional writing, with particular strengths in screenshot understanding and on-screen content analysis. Optimized for high-volume production workloads, GPT-6.1 Terra is well suited for coding assistants, visual interface analysis, workflow automation, and scalable agentic applications that require reliable performance at an accessible cost.