LLM Reference

Codex Mini Latest vs Llama 2 7B Chat

Codex Mini Latest (2025) and Llama 2 7B Chat (2023) compare a coding-specialized model against a standalone API model. Codex Mini Latest ships a 200k-token context window, while Llama 2 7B Chat ships a 4k-token context window. This page treats the result as workflow and deployment fit, not a universal model winner.

Treat this as a product-type comparison: Codex Mini Latest is coding-specialized model, while Llama 2 7B Chat is standalone API model. Choose based on workflow fit before reading any benchmark or price row as decisive.

Decision scorecard

Local evidence first
SignalCodex Mini LatestLlama 2 7B Chat
Product typeCoding-specialized modelStandalone API model
Best forcustom coding agents and code generationprovider-routed production
Decision fitCoding and Long contextClassification and JSON / JSON / Tool use
Context window200k4k
Cheapest output-$0.25/1M tokens
Provider routes0 tracked10 tracked
Shared benchmarks0 shared0 shared

Decision tradeoffs

Choose Codex Mini Latest when...
  • Codex Mini Latest has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Local decision data tags Codex Mini Latest for Coding and Long context.
Choose Llama 2 7B Chat when...
  • Llama 2 7B Chat has broader tracked provider coverage for fallback and route flexibility.
  • Llama 2 7B Chat uniquely exposes Structured outputs in local model data.
  • Local decision data tags Llama 2 7B Chat for Classification and JSON / Tool use.

Monthly cost at traffic

Estimate token spend from the cheapest tracked input and output route or tier on this page.

Codex Mini Latest

Unavailable

No complete token price in local provider data

Llama 2 7B Chat

$103

Cheapest tracked route/tier: Replicate API

Cost delta unavailable until both models have sourced input and output token prices.

Switch friction

Codex Mini Latest -> Llama 2 7B Chat
  • No overlapping tracked provider route is sourced for Codex Mini Latest and Llama 2 7B Chat; plan for SDK, billing, or endpoint changes.
  • Llama 2 7B Chat adds Structured outputs in local capability data.
Llama 2 7B Chat -> Codex Mini Latest
  • No overlapping tracked provider route is sourced for Llama 2 7B Chat and Codex Mini Latest; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Structured outputs before moving production traffic.

Specs

Specification
Released2025-05-162023-07-18
Context window200k4k
Parameters7B
ArchitectureDecoder OnlyDecoder Only
LicenseProprietaryLlama 2 Community
OpennessProprietaryOpen weights
WeightsNot releasedAvailable
CodeUnknownUnknown
Commercial useCommercial use: conditionalCommercial use: conditional
Knowledge cutoff2024-062022-09

Pricing and availability

Pricing attributeCodex Mini LatestLlama 2 7B Chat
Input price-$0.05/1M tokens
Output price-$0.25/1M tokens
Providers-

Capabilities

CapabilityCodex Mini LatestLlama 2 7B Chat
VisionNoNo
MultimodalNoNo
ReasoningNoNo
JSON / Tool useNoNo
Structured outputsNoYes
Code executionNoNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark scores are currently available for this pair.

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Last reviewed: 2026-07-09. Data sourced from public model cards and provider documentation.