LLM Reference

Codex 1 vs Llama 3.1 Nemotron Nano VL 8B v1

Codex 1 (2025) and Llama 3.1 Nemotron Nano VL 8B v1 (2025) compare a coding-specialized model against a standalone API model. Codex 1 ships a 192k-token context window, while Llama 3.1 Nemotron Nano VL 8B v1 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 1 is coding-specialized model, while Llama 3.1 Nemotron Nano VL 8B v1 is standalone API model. Choose based on workflow fit before reading any benchmark or price row as decisive.

Decision scorecard

Local evidence first
SignalCodex 1Llama 3.1 Nemotron Nano VL 8B v1
Product typeCoding-specialized modelStandalone API model
Best forcustom coding agents and code generationmultimodal apps
Decision fitCoding, Agents, and Long contextVision
Context window192k4k
Cheapest output--
Provider routes0 tracked1 tracked
Shared benchmarks0 shared0 shared

Decision tradeoffs

Choose Codex 1 when...
  • Codex 1 has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Codex 1 uniquely exposes Reasoning and Code execution in local model data.
  • Local decision data tags Codex 1 for Coding, Agents, and Long context.
Choose Llama 3.1 Nemotron Nano VL 8B v1 when...
  • Llama 3.1 Nemotron Nano VL 8B v1 has broader tracked provider coverage for fallback and route flexibility.
  • Llama 3.1 Nemotron Nano VL 8B v1 uniquely exposes Vision and Multimodal in local model data.
  • Local decision data tags Llama 3.1 Nemotron Nano VL 8B v1 for Vision.

Monthly cost at traffic

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

Codex 1

Unavailable

No complete token price in local provider data

Llama 3.1 Nemotron Nano VL 8B v1

Unavailable

No complete token price in local provider data

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

Switch friction

Codex 1 -> Llama 3.1 Nemotron Nano VL 8B v1
  • No overlapping tracked provider route is sourced for Codex 1 and Llama 3.1 Nemotron Nano VL 8B v1; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Reasoning and Code execution before moving production traffic.
  • Llama 3.1 Nemotron Nano VL 8B v1 adds Vision and Multimodal in local capability data.
Llama 3.1 Nemotron Nano VL 8B v1 -> Codex 1
  • No overlapping tracked provider route is sourced for Llama 3.1 Nemotron Nano VL 8B v1 and Codex 1; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Vision and Multimodal before moving production traffic.
  • Codex 1 adds Reasoning and Code execution in local capability data.

Specs

Specification
Released2025-05-162025-03-01
Context window192k4k
Parameters—8B
ArchitectureDecoder OnlyDecoder Only
LicenseProprietaryLlama 3 Community
OpennessProprietaryOpen weights
WeightsNot releasedUnknown
CodeUnknownUnknown
Commercial useCommercial use: conditionalCommercial use: conditional
Knowledge cutoff--

Pricing and availability

Pricing attributeCodex 1Llama 3.1 Nemotron Nano VL 8B v1
Input price--
Output price--
Providers-
NVIDIA NIM

Pricing not yet sourced for either model.

Capabilities

CapabilityCodex 1Llama 3.1 Nemotron Nano VL 8B v1
VisionNoYes
MultimodalNoYes
ReasoningYesNo
JSON / Tool useNoNo
Structured outputsNoNo
Code executionYesNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark scores are currently available for this pair.

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Last reviewed: 2026-05-01. Data sourced from public model cards and provider documentation.