LLM Reference

Doubao Pro 256K vs Llama 3.1 Nemotron Nano 8B v1

Doubao Pro 256K (2024) and Llama 3.1 Nemotron Nano 8B v1 (2025) are compact production models from ByteDance and NVIDIA AI. Doubao Pro 256K ships a 256k-token context window, while Llama 3.1 Nemotron Nano 8B v1 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.

Doubao Pro 256K fits 64x more tokens; pick it for long-context work and Llama 3.1 Nemotron Nano 8B v1 for tighter calls.

Decision scorecard

Local evidence first
SignalDoubao Pro 256KLlama 3.1 Nemotron Nano 8B v1
Best forgeneral production evaluationgeneral production evaluation
Decision fitLong contextGeneral
Context window256k4k
Cheapest output$1.32/1M tokens-
Provider routes1 tracked1 tracked
Shared benchmarks0 rows0 rows

Decision tradeoffs

Choose Doubao Pro 256K when...
  • Doubao Pro 256K has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Local decision data tags Doubao Pro 256K for Long context.
Choose Llama 3.1 Nemotron Nano 8B v1 when...
  • Use Llama 3.1 Nemotron Nano 8B v1 when your own prompt tests beat the comparison signals; the local data does not show a decisive standalone advantage yet.

Monthly cost at traffic

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

Doubao Pro 256K

$919

Cheapest tracked route/tier: Volcengine

Llama 3.1 Nemotron Nano 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

Doubao Pro 256K -> Llama 3.1 Nemotron Nano 8B v1
  • No overlapping tracked provider route is sourced for Doubao Pro 256K and Llama 3.1 Nemotron Nano 8B v1; plan for SDK, billing, or endpoint changes.
Llama 3.1 Nemotron Nano 8B v1 -> Doubao Pro 256K
  • No overlapping tracked provider route is sourced for Llama 3.1 Nemotron Nano 8B v1 and Doubao Pro 256K; plan for SDK, billing, or endpoint changes.

Specs

Specification
Released2024-05-152025-03-01
Context window256k4k
Parameters8B
Architecturedecoder onlydecoder only
LicenseProprietaryLlama 3 Community
OpennessProprietaryOpen weights
Commercial useCommercial use with conditionsCommercial use with conditions
Knowledge cutoff--

Pricing and availability

Pricing attributeDoubao Pro 256KLlama 3.1 Nemotron Nano 8B v1
Input price$0.73/1M tokens-
Output price$1.32/1M tokens-
Providers

Capabilities

CapabilityDoubao Pro 256KLlama 3.1 Nemotron Nano 8B v1
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: Doubao Pro 256K has $0.73/1M input tokens and Llama 3.1 Nemotron Nano 8B v1 has no token price sourced yet. Provider availability is 1 tracked routes versus 1. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.

Choose Doubao Pro 256K when long-context analysis and larger context windows are central to the workload. Choose Llama 3.1 Nemotron Nano 8B v1 when provider fit 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. For teams standardizing a stack, that distinction is often the difference between a benchmark win and a reliable deployment.

FAQ

Which has a larger context window, Doubao Pro 256K or Llama 3.1 Nemotron Nano 8B v1?

Doubao Pro 256K supports 256k tokens, while Llama 3.1 Nemotron Nano 8B v1 supports 4k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.

Is Doubao Pro 256K or Llama 3.1 Nemotron Nano 8B v1 open source?

Doubao Pro 256K is listed under Proprietary. Llama 3.1 Nemotron Nano 8B v1 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 Doubao Pro 256K and Llama 3.1 Nemotron Nano 8B v1?

Doubao Pro 256K is available on Volcengine. Llama 3.1 Nemotron Nano 8B v1 is available on NVIDIA NIM. Provider coverage can affect latency, region availability, compliance posture, and fallback options.

When should I pick Doubao Pro 256K over Llama 3.1 Nemotron Nano 8B v1?

Doubao Pro 256K fits 64x more tokens; pick it for long-context work and Llama 3.1 Nemotron Nano 8B v1 for tighter calls. If your workload also depends on long-context analysis, start with Doubao Pro 256K; if it depends on provider fit, run the same evaluation with Llama 3.1 Nemotron Nano 8B v1.

Continue comparing

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