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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 3.1 Flash Image (Google Vertex AI)GoogleRemove
  2. GPT-6.1 SolOpenAIRemove
  3. Gemini 3.5 TranscribeGoogleRemove
gemini-3.1-flash-image-vertex vs gpt-6.1-sol vs gemini-3.5-transcribe
AttributeGemini 3.1 Flash Image (Google Vertex AI)gemini-3.1-flash-image-vertexGPT-6.1 Solgpt-6.1-solGemini 3.5 Transcribegemini-3.5-transcribe
Pricing
Request$0.067 / request——
BillingPay Per Request——
Cache Write (5m)Not applicable$2.00 / 1MNot applicable
Cache Write (1h)Not applicable$2.00 / 1MNot applicable
Cache ReadNot applicable$2.00 / 1MNot applicable
Input—$2.00 / 1M— Not priced per input token
Output—$10.00 / 1M— Not priced per output token
Web Search—$0 / 1M$0 / 1M
Context
Max contextN/A1M98.3K
Max outputN/AN/AN/A
Capabilities
VisionYesYesYes
Function CallingNoYesYes
JSON ModeNoYesNo
StreamingNoYesNo
Catalogue
ProviderGoogleOpenAIGoogle
Categoryimagechatvoice
Charge typePay Per RequestPay As You GoPay As You Go
Released——2026-09-25
Description
SummaryGemini 3.1 Flash Image served from Google Vertex AI. Billed per image at US$0.067. Call it through /v1/chat/completions with stream set to false; the image is returned in the message content as a base64 data URI.GPT-6.1 Sol is an upgraded high-end model in OpenAI's GPT-6 series, positioned below the flagship GPT-6 Astra. It is optimized for agentic coding, computer use, document-heavy professional work, and multi-step business automation, delivering near-Astra-level capability at significantly lower cost. Compared with GPT-6 Sol, it offers improved factual reliability and stronger adherence to explicit constraints and user intent, making it well suited for complex, long-running agentic workflows where accurate and dependable execution is critical.Google Gemini 3.5 Transcribe speech-to-text. Billed per input and output token.