Context Window

Compare

Codestral 2508 vs Grok 4 20 Multi Agent 0309

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.

Mistral

Model

Codestral 2508

Tool calling

Context window

256K

256,000 tokens · ~192K words

Model page
Xai

Model

Grok 4 20 Multi Agent 0309

Image inputTool calling

Context window

1M

1,000,000 tokens · ~750K 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.

Codestral 2508256K
Grok 4 20 Multi Agent 03091M

Grok 4 20 Multi Agent 0309 has about 3.9× the context window of the other in this pair.

Token calculator →Memory savings →

Grok 4 20 Multi Agent 0309 has 290% more context capacity (1000K vs 256K tokens). Codestral 2508 is 76% cheaper on input.

Quick verdicts

Short takeaways — validate with your own workloads.

  • Long document processing

    Use Grok 4 20 Multi Agent 0309. Its 1000K context fits entire documents without chunking (vs 256K).

  • RAG / high-volume retrieval

    Use Codestral 2508. Input tokens are 76% cheaper — critical when sending large retrieved contexts.

  • Long output (reports, code files)

    Use Grok 4 20 Multi Agent 0309. Its 1000K 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.

SpecCodestral 2508Grok 4 20 Multi Agent 0309
Context window256,000 tokens (256K)1,000,000 tokens (1000K)
Max output tokens256,000 tokens (256K)1,000,000 tokens (1000K)
Speed tierBalancedBalanced
VisionNoYes
Function callingYesYes
Extended thinkingNoYes
Prompt cachingYesYes
Batch APINoNo
Release dateAug 2025N/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.

ProviderCodestral 2508 inCodestral 2508 outGrok 4 20 Multi Agent 0309 inGrok 4 20 Multi Agent 0309 out
Mistral$0.300/M$0.900/M——
Xai——$1.25/M$2.50/M

Frequently asked questions

Grok 4 20 Multi Agent 0309 has a larger context window: 1000K tokens vs 256K. 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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