Context Window

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Databricks Gpt Oss 120b vs Gpt 4o Mini Realtime Preview

This page is context-first: how much text each model can take in one request. Full specs adds capabilities and limits; the pricing matrix below is only about $/million tokens from hosts that list both models.

Openai

Model

Databricks Gpt Oss 120b

Context window

131K

131,072 tokens · ~98K words

Model page
Openai

Model

Gpt 4o Mini Realtime Preview

Tool calling

Context window

128K

128,000 tokens · ~96K words

Model page

Context window · side by side

Bar length is relative to the larger of the two windows (100% = max of this pair). This is not pricing.

Databricks Gpt Oss 120b131K
Gpt 4o Mini Realtime Preview128K

Databricks Gpt Oss 120b has about 1× the context window of the other in this pair.

Token calculator →Memory savings →

Databricks Gpt Oss 120b has 2% more context capacity (131K vs 128K tokens). Databricks Gpt Oss 120b is 75% cheaper on input.

Quick verdicts

Short takeaways — validate with your own workloads.

  • Long document processing

    Use Databricks Gpt Oss 120b. Its 131K context fits entire documents without chunking (vs 128K).

  • RAG / high-volume retrieval

    Use Databricks Gpt Oss 120b. Input tokens are 75% cheaper — critical when sending large retrieved contexts.

  • Long output (reports, code files)

    Use Databricks Gpt Oss 120b. Its 131K max output lets you generate complete artifacts in one request.

Full specs

Context, output, capabilities, and dates. Green highlights the favorable value where we compute a winner.

SpecDatabricks Gpt Oss 120bGpt 4o Mini Realtime Preview
Context window131,072 tokens (131K)128,000 tokens (128K)
Max output tokens131,072 tokens (131K)4,096 tokens (4K)
Speed tierBalancedFast
VisionNoNo
Function callingNoYes
Extended thinkingNoNo
Prompt cachingNoYes
Batch APINoYes
Release dateN/AN/A

Pricing matrix

Dollar rates only: hosts that list both models, per 1M tokens. For how much text fits, use the context section above — not this table.

ProviderDatabricks Gpt Oss 120b inDatabricks Gpt Oss 120b outGpt 4o Mini Realtime Preview inGpt 4o Mini Realtime Preview out
Databricks$0.150/M$0.600/M——
Openai——$0.600/M$2.40/M

Frequently asked questions

Databricks Gpt Oss 120b has a larger context window: 131K tokens vs 128K. For long documents, large codebases, or extended agent sessions, the larger context window reduces the need to chunk inputs or summarize history.

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Example: a multi-turn chat session

Without Mem0~128K tokens sent
Full history
Repeated info
Old context
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