Context Window

Compare

Gov Xai Grok 4 7 vs Gpt 4o Realtime Preview 2024 10 01

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.

Xai

Model

Gov Xai Grok 4 7

Image inputTool calling

Context window

524K

524,288 tokens · ~393K words

Model page
Openai

Model

Gpt 4o Realtime Preview 2024 10 01

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.

Gov Xai Grok 4 7524K
Gpt 4o Realtime Preview 2024 10 01128K

Gov Xai Grok 4 7 has about 4.1× the context window of the other in this pair.

Token calculator →Memory savings →

Gov Xai Grok 4 7 has 309% more context capacity (524K vs 128K tokens). Gov Xai Grok 4 7 is 52% cheaper on input.

Quick verdicts

Short takeaways — validate with your own workloads.

  • Long document processing

    Use Gov Xai Grok 4 7. Its 524K context fits entire documents without chunking (vs 128K).

  • RAG / high-volume retrieval

    Use Gov Xai Grok 4 7. Input tokens are 52% cheaper — critical when sending large retrieved contexts.

  • Long output (reports, code files)

    Use Gov Xai Grok 4 7. Its 524K 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.

SpecGov Xai Grok 4 7Gpt 4o Realtime Preview 2024 10 01
Context window524,288 tokens (524K)128,000 tokens (128K)
Max output tokens524,288 tokens (524K)4,096 tokens (4K)
Speed tierBalancedBalanced
VisionYesNo
Function callingYesYes
Extended thinkingYesNo
Prompt cachingYesYes
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.

ProviderGov Xai Grok 4 7 inGov Xai Grok 4 7 outGpt 4o Realtime Preview 2024 10 01 inGpt 4o Realtime Preview 2024 10 01 out
Aws Bedrock$2.64/M$7.92/M——
Azure——$5.50/M$22.00/M

Frequently asked questions

Gov Xai Grok 4 7 has a larger context window: 524K 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.

Powered by Mem0

Use a smaller model.
Get better results.

Mem0 gives your AI long-term memory so you stop re-sending context on every call. That means you can use a smaller, faster, cheaper model — and still get better answers.

Calculate your savingsLearn about Mem0

Example: a multi-turn chat session

Without Mem0~128K tokens sent
Full history
Repeated info
Old context
With Mem0~20K tokens sent
Key memories
Current turn

80% less to send — works with any model