Context Window

Compare

Mixtral 8x22B Instruct vs Phi 3 Small 8k

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

Mixtral 8x22B Instruct

Tool calling

Context window

66K

65,536 tokens · ~49K words

Model page
Microsoft

Model

Phi 3 Small 8k

Context window

8K

8,192 tokens · ~6K 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.

Mixtral 8x22B Instruct66K
Phi 3 Small 8k8K

Mixtral 8x22B Instruct has about 8× the context window of the other in this pair.

Token calculator →Memory savings →

Mixtral 8x22B Instruct has 700% more context capacity (65K vs 8K tokens). Phi 3 Small 8k is 76% cheaper on input.

Quick verdicts

Short takeaways — validate with your own workloads.

  • Long document processing

    Use Mixtral 8x22B Instruct. Its 65K context fits entire documents without chunking (vs 8K).

  • RAG / high-volume retrieval

    Use Phi 3 Small 8k. Input tokens are 76% cheaper — critical when sending large retrieved contexts.

Full specs

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

SpecMixtral 8x22B InstructPhi 3 Small 8k
Context window65,536 tokens (65K)8,192 tokens (8K)
Max output tokensN/A4,096 tokens (4K)
Speed tierBalancedBalanced
VisionNoNo
Function callingYesNo
Extended thinkingNoNo
Prompt cachingYesNo
Batch APINoNo
Release dateApr 2024N/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.

ProviderMixtral 8x22B Instruct inMixtral 8x22B Instruct outPhi 3 Small 8k inPhi 3 Small 8k out
Azure——$0.150/M$0.600/M
Fireworks$1.20/M$1.20/M——
Openrouter$0.650/M$0.650/M——

Frequently asked questions

Mixtral 8x22B Instruct has a larger context window: 65K tokens vs 8K. 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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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.

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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