Context Window

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Deepseek Prover V2 671b 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.

Deepseek

Model

Deepseek Prover V2 671b

Context window

160K

160,000 tokens · ~120K 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.

Deepseek Prover V2 671b160K
Gpt 4o Mini Realtime Preview128K

Deepseek Prover V2 671b has about 1.3× the context window of the other in this pair.

Token calculator →Memory savings →

Deepseek Prover V2 671b has 25% more context capacity (160K vs 128K tokens). Gpt 4o Mini Realtime Preview is 14% cheaper on input.

Quick verdicts

Short takeaways — validate with your own workloads.

  • Long document processing

    Use Deepseek Prover V2 671b. Its 160K context fits entire documents without chunking (vs 128K).

  • RAG / high-volume retrieval

    Use Gpt 4o Mini Realtime Preview. Input tokens are 14% cheaper — critical when sending large retrieved contexts.

  • Long output (reports, code files)

    Use Deepseek Prover V2 671b. Its 160K 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.

SpecDeepseek Prover V2 671bGpt 4o Mini Realtime Preview
Context window160,000 tokens (160K)128,000 tokens (128K)
Max output tokens160,000 tokens (160K)4,096 tokens (4K)
Speed tierFastFast
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.

ProviderDeepseek Prover V2 671b inDeepseek Prover V2 671b outGpt 4o Mini Realtime Preview inGpt 4o Mini Realtime Preview out
Novita$0.700/M$2.50/M——
Openai——$0.600/M$2.40/M

Frequently asked questions

Deepseek Prover V2 671b has a larger context window: 160K 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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Without Mem0~128K tokens sent
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