LLM Reference

Llama 3.2 1B Instruct vs Llama 2 13B Chat

Llama 3.2 1B Instruct (2024) and Llama 2 13B Chat (2023) are compact production models from AI at Meta. Llama 3.2 1B Instruct ships a 128k-token context window, while Llama 2 13B Chat ships a 4k-token context window. On Google-Proof Q&A, Llama 2 13B Chat leads by 16.2 pts. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.

Llama 3.2 1B Instruct is ~270% cheaper at $0.03/1M; pay for Llama 2 13B Chat only for provider fit.

Decision scorecard

Local evidence first
SignalLlama 3.2 1B InstructLlama 2 13B Chat
Best forprovider-routed productionprovider-routed production
Decision fitCoding, RAG, and Long contextCoding, Classification, and JSON / Tool use
Context window128k4k
Cheapest output$0.20/1M tokens$0.50/1M tokens
Provider routes7 tracked11 tracked
Shared benchmarks4 sharedGoogle-Proof Q&A leader

Decision tradeoffs

Choose Llama 3.2 1B Instruct when...
  • Llama 3.2 1B Instruct has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Llama 3.2 1B Instruct has the lower cheapest tracked output price at $0.20/1M tokens.
  • Local decision data tags Llama 3.2 1B Instruct for Coding, RAG, and Long context.
Choose Llama 2 13B Chat when...
  • Llama 2 13B Chat holds a shared-benchmark lead on Google-Proof Q&A, ahead by 16.2 points.
  • Llama 2 13B Chat has broader tracked provider coverage for fallback and route flexibility.
  • Local decision data tags Llama 2 13B Chat for Coding, 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.

Lower estimate Llama 3.2 1B Instruct

Llama 3.2 1B Instruct

$71.85

Cheapest tracked route/tier: Cloudflare Workers AI

Llama 2 13B Chat

$205

Cheapest tracked route/tier: Replicate API

Estimated monthly gap: $133. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.

Switch friction

Llama 3.2 1B Instruct -> Llama 2 13B Chat
  • Provider overlap exists on AWS Bedrock and Fireworks AI; start route-level A/B tests there.
  • Llama 2 13B Chat is $0.30/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
Llama 2 13B Chat -> Llama 3.2 1B Instruct
  • Provider overlap exists on Fireworks AI and AWS Bedrock; start route-level A/B tests there.
  • Llama 3.2 1B Instruct is $0.30/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.

Specs

Specification
Released2024-09-252023-07-18
Context window128k4k
Parameters1.23B13B
ArchitectureDecoder OnlyDecoder Only
LicenseLlama 3 CommunityLlama 2 Community
OpennessOpen weightsOpen weights
WeightsUnknownAvailable
CodeUnknownUnknown
Commercial useCommercial use: conditionalCommercial use: conditional
Knowledge cutoff2023-122022-09

Pricing and availability

Pricing attributeLlama 3.2 1B InstructLlama 2 13B Chat
Input price$0.03/1M tokens$0.10/1M tokens
Output price$0.20/1M tokens$0.50/1M tokens
Providers

Capabilities

CapabilityLlama 3.2 1B InstructLlama 2 13B Chat
VisionNoNo
MultimodalNoNo
ReasoningNoNo
JSON / Tool useNoNo
Structured outputsYesYes
Code executionNoNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

BenchmarkLlama 3.2 1B InstructLlama 2 13B Chat
Google-Proof Q&A25.641.8
HumanEval28.159.3
Massive Multitask Language Understanding49.371.2
HellaSwag78.988.5

Continue comparing

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