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Compare models

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 Embedding 2GoogleRemove
  2. GPT-6.1 SolOpenAIRemove
  3. Universal-3.5 ProAssemblyAIRemove
gemini-embedding-2-preview vs gpt-6.1-sol vs universal-3-5-pro
AttributeGemini Embedding 2gemini-embedding-2-previewGPT-6.1 Solgpt-6.1-solUniversal-3.5 Prouniversal-3-5-pro
Pricing
Input$0.60 / 1M$2.00 / 1M— Not priced per input token
Output$2.40 / 1M$10.00 / 1M— Not priced per output token
Cache Write (5m)$0.60 / 1M$2.00 / 1MNot applicable
Cache Write (1h)$0.60 / 1M$2.00 / 1MNot applicable
Cache Read$0.60 / 1M$2.00 / 1MNot applicable
Web Search—$0 / 1M$0 / 1M
Context
Max context8.2K1MN/A
Max outputN/AN/AN/A
Capabilities
VisionYesYesNo
Function CallingYesYesNo
JSON ModeNoYesNo
StreamingNoYesNo
Catalogue
ProviderGoogleOpenAIAssemblyAI
Categoryembeddingchatvoice
Charge typePay As You GoPay As You GoPay As You Go
Released——2026-09-22
Description
SummaryGemini Embedding 2 is Google's advanced text embedding model designed for high-accuracy semantic representation across large-scale retrieval and understanding tasks. It converts text into dense vector embeddings optimized for semantic search, retrieval-augmented generation (RAG), clustering, classification, and recommendation systems. Built for production use, it offers strong multilingual support, improved semantic similarity accuracy, and efficient embedding generation, making it well suited for large knowledge indexing pipelines and enterprise-scale retrieval applications.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.AssemblyAI Universal-3.5 Pro speech-to-text. Billed per second of audio.