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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. Gemini 3.5 TranscribeGoogleRemove
  3. GPT-6.1 SolOpenAIRemove
gemini-3.1-flash-image-vertex vs gemini-3.5-transcribe vs gpt-6.1-sol
AttributeGemini 3.1 Flash Image (Google Vertex AI)gemini-3.1-flash-image-vertexGemini 3.5 Transcribegemini-3.5-transcribeGPT-6.1 Solgpt-6.1-sol
Pricing
Request$0.067 / request——
BillingPay Per Request——
Cache Write (5m)Not applicableNot applicable$2.00 / 1M
Cache Write (1h)Not applicableNot applicable$2.00 / 1M
Cache ReadNot applicableNot applicable$2.00 / 1M
Input—— Not priced per input token$2.00 / 1M
Output—— Not priced per output token$10.00 / 1M
Web Search—$0 / 1M$0 / 1M
Context
Max contextN/A98.3K1M
Max outputN/AN/AN/A
Capabilities
VisionYesYesYes
Function CallingNoYesYes
JSON ModeNoNoYes
StreamingNoNoYes
Catalogue
ProviderGoogleGoogleOpenAI
Categoryimagevoicechat
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.Google Gemini 3.5 Transcribe speech-to-text. Billed per input and output token.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.