LLM Reference

Claude 1.2 vs Llama 3.1 Nemotron Nano 4B v1.1

Claude 1.2 (2023) and Llama 3.1 Nemotron Nano 4B v1.1 (2025) are compact production models from Anthropic and NVIDIA AI. Claude 1.2 ships a 9k-token context window, while Llama 3.1 Nemotron Nano 4B v1.1 ships a 4k-token context window. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.

Llama 3.1 Nemotron Nano 4B v1.1 is safer overall; choose Claude 1.2 when long-context analysis matters.

Decision scorecard

Local evidence first
SignalClaude 1.2Llama 3.1 Nemotron Nano 4B v1.1
Best forgeneral production evaluationgeneral production evaluation
Decision fitGeneralGeneral
Context window9k4k
Cheapest output--
Provider routes0 tracked1 tracked
Shared benchmarks0 rows0 rows

Decision tradeoffs

Choose Claude 1.2 when...
  • Claude 1.2 has the larger context window for long prompts, retrieval packs, or transcript analysis.
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 route or tier on this page.

Claude 1.2

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

Claude 1.2 -> Llama 3.1 Nemotron Nano 4B v1.1
  • No overlapping tracked provider route is sourced for Claude 1.2 and Llama 3.1 Nemotron Nano 4B v1.1; plan for SDK, billing, or endpoint changes.
Llama 3.1 Nemotron Nano 4B v1.1 -> Claude 1.2
  • No overlapping tracked provider route is sourced for Llama 3.1 Nemotron Nano 4B v1.1 and Claude 1.2; plan for SDK, billing, or endpoint changes.

Specs

Specification
Released2023-03-142025-04-01
Context window9k4k
Parameters20B4B
Architecturedecoder onlydecoder only
LicenseProprietaryLlama 3 Community
OpennessProprietaryOpen weights
Commercial useCommercial use with conditionsCommercial use with conditions
Knowledge cutoff2023-01-

Pricing and availability

Pricing attributeClaude 1.2Llama 3.1 Nemotron Nano 4B v1.1
Input price--
Output price--
Providers-

Pricing not yet sourced for either model.

Capabilities

CapabilityClaude 1.2Llama 3.1 Nemotron Nano 4B v1.1
VisionNoNo
MultimodalNoNo
ReasoningNoNo
Function callingNoNo
Tool useNoNo
Structured outputsNoNo
Code executionNoNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

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: Claude 1.2 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 Claude 1.2 when long-context analysis 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, Claude 1.2 or Llama 3.1 Nemotron Nano 4B v1.1?

Claude 1.2 supports 9k 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 Claude 1.2 or Llama 3.1 Nemotron Nano 4B v1.1 open source?

Claude 1.2 is listed under Proprietary. Llama 3.1 Nemotron Nano 4B v1.1 is listed under Llama 3 Community. 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 Claude 1.2 and Llama 3.1 Nemotron Nano 4B v1.1?

Claude 1.2 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 Claude 1.2 over Llama 3.1 Nemotron Nano 4B v1.1?

Llama 3.1 Nemotron Nano 4B v1.1 is safer overall; choose Claude 1.2 when long-context analysis matters. If your workload also depends on long-context analysis, start with Claude 1.2; if it depends on provider fit, run the same evaluation with Llama 3.1 Nemotron Nano 4B v1.1.

Continue comparing

Last reviewed: 2026-05-19. Data sourced from public model cards and provider documentation.