GPT-4 Turbo Preview vs Llama 2 7B

GPT-4 Turbo Preview (2023) and Llama 2 7B (2023) are compact production models from OpenAI and AI at Meta. GPT-4 Turbo Preview ships a 128k-token context window, while Llama 2 7B ships a 4k-token context window. On pricing, Llama 2 7B costs $0.20/1M input tokens versus $10/1M for the alternative. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.

Llama 2 7B is ~4900% cheaper at $0.20/1M; pay for GPT-4 Turbo Preview only for coding workflow support.

Decision scorecard

Local evidence first
SignalGPT-4 Turbo PreviewLlama 2 7B
Best formultimodal apps and provider-routed productiongeneral production evaluation
Decision fitCoding, RAG, and AgentsCoding and Classification
Context window128k4k
Cheapest output$30/1M tokens$0.20/1M tokens
Provider routes3 tracked1 tracked
Shared benchmarks0 shared0 shared

Decision tradeoffs

Choose GPT-4 Turbo Preview when...
  • GPT-4 Turbo Preview has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • GPT-4 Turbo Preview has broader tracked provider coverage for fallback and route flexibility.
  • GPT-4 Turbo Preview uniquely exposes Vision, Structured outputs, and Code execution in local model data.
  • Local decision data tags GPT-4 Turbo Preview for Coding, RAG, and Agents.
Choose Llama 2 7B when...
  • Llama 2 7B has the lower cheapest tracked output price at $0.20/1M tokens.
  • Local decision data tags Llama 2 7B for Coding and Classification.

Monthly cost at traffic

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

Lower estimate Llama 2 7B

GPT-4 Turbo Preview

$15,500

Cheapest tracked route/tier: OpenAI API

Llama 2 7B

$210

Cheapest tracked route/tier: Fireworks AI

Estimated monthly gap: $15,290. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.

Switch friction

GPT-4 Turbo Preview -> Llama 2 7B
  • No overlapping tracked provider route is sourced for GPT-4 Turbo Preview and Llama 2 7B; plan for SDK, billing, or endpoint changes.
  • Llama 2 7B is $29.80/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
  • Check replacement coverage for Vision, Structured outputs, and Code execution before moving production traffic.
Llama 2 7B -> GPT-4 Turbo Preview
  • No overlapping tracked provider route is sourced for Llama 2 7B and GPT-4 Turbo Preview; plan for SDK, billing, or endpoint changes.
  • GPT-4 Turbo Preview is $29.80/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
  • GPT-4 Turbo Preview adds Vision, Structured outputs, and Code execution in local capability data.

Specs

Specification
Released2023-11-062023-07-18
Context window128k4k
Parameters1.76T (8x222B MoE)*7B
ArchitectureMixture of ExpertsDecoder Only
LicenseProprietaryLlama 2 Community
OpennessProprietaryOpen weights
WeightsNot releasedAvailable
CodeUnknownUnknown
Commercial useCommercial use: conditionalCommercial use: conditional
Knowledge cutoff2023-122022-09

Pricing and availability

Pricing attributeGPT-4 Turbo PreviewLlama 2 7B
Input price$10/1M tokens$0.20/1M tokens
Output price$30/1M tokens$0.20/1M tokens
Providers

Capabilities

CapabilityGPT-4 Turbo PreviewLlama 2 7B
VisionYesNo
MultimodalNoNo
ReasoningNoNo
JSON / Tool useNoNo
Structured outputsYesNo
Code executionYesNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark scores are currently available for this pair.

Continue comparing

Last reviewed: 2026-09-18. Data sourced from public model cards and provider documentation.