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Codex Mini Latest vs Llama 3.1 Nemotron Nano 4B v1.1

Codex Mini Latest (2025) and Llama 3.1 Nemotron Nano 4B v1.1 (2025) are agentic coding models from OpenAI and NVIDIA AI. Codex Mini Latest ships a 200K-token context window, while Llama 3.1 Nemotron Nano 4B v1.1 ships a 4K-token context window. This comparison covers specs, pricing, capabilities, benchmarks, provider availability, and production fit. It focuses on practical selection signals rather than broad model-family marketing.

Codex Mini Latest fits 50x more tokens; pick it for long-context work and Llama 3.1 Nemotron Nano 4B v1.1 for tighter calls.

Decision scorecard

Local evidence first
SignalCodex Mini LatestLlama 3.1 Nemotron Nano 4B v1.1
Decision fitCoding and Long contextGeneral
Context window200K4K
Cheapest output--
Provider routes0 tracked1 tracked
Shared benchmarks0 rows0 rows

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 3.1 Nemotron Nano 4B v1.1 when...
  • Llama 3.1 Nemotron Nano 4B v1.1 has broader tracked provider coverage for fallback and procurement flexibility.

Monthly cost at traffic

Estimate token spend from the cheapest tracked input and output prices on this page.

Codex Mini Latest

Unavailable

No complete token price in local provider data

Llama 3.1 Nemotron Nano 4B v1.1

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 Mini Latest -> Llama 3.1 Nemotron Nano 4B v1.1
  • No overlapping tracked provider route is sourced for Codex Mini Latest and Llama 3.1 Nemotron Nano 4B v1.1; plan for SDK, billing, or endpoint changes.
Llama 3.1 Nemotron Nano 4B v1.1 -> Codex Mini Latest
  • No overlapping tracked provider route is sourced for Llama 3.1 Nemotron Nano 4B v1.1 and Codex Mini Latest; plan for SDK, billing, or endpoint changes.

Specs

Specification
Released2025-05-162025-04-01
Context window200K4K
Parameters4B
Architecturedecoder onlydecoder only
LicenseProprietary1
Knowledge cutoff--

Pricing and availability

Pricing attributeCodex Mini LatestLlama 3.1 Nemotron Nano 4B v1.1
Input price--
Output price--
Providers-

Pricing not yet sourced for either model.

Capabilities

CapabilityCodex Mini LatestLlama 3.1 Nemotron Nano 4B v1.1
VisionNoNo
MultimodalNoNo
ReasoningNoNo
Function callingNoNo
Tool useNoNo
Structured outputsNoNo
Code executionNoNo

Benchmarks

No shared benchmark rows are currently sourced for this pair.

Deep dive

The capability footprint is close: both models cover the core production surface. That makes context budget, benchmark fit, and provider maturity more important than a simple checklist. If your application depends on one integration detail, verify it against the provider route you plan to use, not just the base model listing.

Pricing coverage is uneven: Codex Mini Latest has no token price sourced yet and Llama 3.1 Nemotron Nano 4B v1.1 has no token price sourced yet. Provider availability is 0 tracked routes versus 1. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.

Choose Codex Mini Latest when coding workflow support and larger context windows are central to the workload. Choose Llama 3.1 Nemotron Nano 4B v1.1 when provider fit and broader provider choice are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship. This keeps the decision grounded in measurable tradeoffs instead of brand-level assumptions. It also helps separate model capability from provider packaging, which can change cost and latency.

FAQ

Which has a larger context window, Codex Mini Latest or Llama 3.1 Nemotron Nano 4B v1.1?

Codex Mini Latest supports 200K tokens, while Llama 3.1 Nemotron Nano 4B v1.1 supports 4K tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.

Is Codex Mini Latest or Llama 3.1 Nemotron Nano 4B v1.1 open source?

Codex Mini Latest is listed under Proprietary. Llama 3.1 Nemotron Nano 4B v1.1 is listed under 1. License labels affect whether you can self-host, redistribute weights, or rely only on hosted APIs, so confirm the upstream license before deployment.

Where can I run Codex Mini Latest and Llama 3.1 Nemotron Nano 4B v1.1?

Codex Mini Latest is available on the tracked providers still being sourced. Llama 3.1 Nemotron Nano 4B v1.1 is available on NVIDIA NIM. Provider coverage can affect latency, region availability, compliance posture, and fallback options.

When should I pick Codex Mini Latest over Llama 3.1 Nemotron Nano 4B v1.1?

Codex Mini Latest fits 50x more tokens; pick it for long-context work and Llama 3.1 Nemotron Nano 4B v1.1 for tighter calls. If your workload also depends on coding workflow support, start with Codex Mini Latest; if it depends on provider fit, run the same evaluation with Llama 3.1 Nemotron Nano 4B v1.1.

Continue comparing

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