LLM Reference

Llama 3.1 405B Instruct vs Together AI Qwen2-7B-Instruct

Llama 3.1 405B Instruct (2024) and Together AI Qwen2-7B-Instruct (2024) are compact production models from AI at Meta and Alibaba. Llama 3.1 405B Instruct ships a 128k-token context window, while Together AI Qwen2-7B-Instruct ships a 33k-token context window. On pricing, Together AI Qwen2-7B-Instruct costs $0.15/1M input tokens versus $2.40/1M 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.

Together AI Qwen2-7B-Instruct is ~1500% cheaper at $0.15/1M; pay for Llama 3.1 405B Instruct only for long-context analysis.

Decision scorecard

Local evidence first
SignalLlama 3.1 405B InstructTogether AI Qwen2-7B-Instruct
Best forprovider-routed productiongeneral production evaluation
Decision fitRAG, Long context, and ClassificationClassification and JSON / Tool use
Context window128k33k
Cheapest output$2.40/1M tokens$0.15/1M tokens
Provider routes11 tracked1 tracked
Shared benchmarks0 rows0 rows

Decision tradeoffs

Choose Llama 3.1 405B Instruct when...
  • Llama 3.1 405B Instruct has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Llama 3.1 405B Instruct has broader tracked provider coverage for fallback and procurement flexibility.
  • Local decision data tags Llama 3.1 405B Instruct for RAG, Long context, and Classification.
Choose Together AI Qwen2-7B-Instruct when...
  • Together AI Qwen2-7B-Instruct has the lower cheapest tracked output price at $0.15/1M tokens.
  • Local decision data tags Together AI Qwen2-7B-Instruct for 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 Together AI Qwen2-7B-Instruct

Llama 3.1 405B Instruct

$2,520

Cheapest tracked route/tier: AWS Bedrock

Together AI Qwen2-7B-Instruct

$158

Cheapest tracked route/tier: Together AI

Estimated monthly gap: $2,363. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.

Switch friction

Llama 3.1 405B Instruct -> Together AI Qwen2-7B-Instruct
  • Provider overlap exists on Together AI; start route-level A/B tests there.
  • Together AI Qwen2-7B-Instruct is $2.25/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
Together AI Qwen2-7B-Instruct -> Llama 3.1 405B Instruct
  • Provider overlap exists on Together AI; start route-level A/B tests there.
  • Llama 3.1 405B Instruct is $2.25/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.

Specs

Specification
Released2024-07-232024-06-07
Context window128k33k
Parameters405B7B
Architecturedecoder onlydecoder only
LicenseLlama 3 CommunityApache 2.0(OSI)
OpennessOpen weightsOpen source
Commercial useCommercial use with conditionsCommercial use allowed
Knowledge cutoff2023-12-

Pricing and availability

Pricing attributeLlama 3.1 405B InstructTogether AI Qwen2-7B-Instruct
Input price$2.40/1M tokens$0.15/1M tokens
Output price$2.40/1M tokens$0.15/1M tokens
Providers

Capabilities

CapabilityLlama 3.1 405B InstructTogether AI Qwen2-7B-Instruct
VisionNoNo
MultimodalNoNo
ReasoningNoNo
Function callingNoNo
Tool useNoNo
Structured outputsYesYes
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 structured outputs. 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.

For cost, Llama 3.1 405B Instruct lists $2.40/1M input and $2.40/1M output tokens on the cheapest tracked provider, while Together AI Qwen2-7B-Instruct lists $0.15/1M input and $0.15/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Together AI Qwen2-7B-Instruct lower by about $2.25 per million blended tokens. Availability is 11 providers versus 1, so concentration risk also matters.

Choose Llama 3.1 405B Instruct when long-context analysis, larger context windows, and broader provider choice are central to the workload. Choose Together AI Qwen2-7B-Instruct when provider fit and lower input-token cost 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, Llama 3.1 405B Instruct or Together AI Qwen2-7B-Instruct?

Llama 3.1 405B Instruct supports 128k tokens, while Together AI Qwen2-7B-Instruct supports 33k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.

Which is cheaper, Llama 3.1 405B Instruct or Together AI Qwen2-7B-Instruct?

Together AI Qwen2-7B-Instruct is cheaper on tracked token pricing. Llama 3.1 405B Instruct costs $2.40/1M input and $2.40/1M output tokens. Together AI Qwen2-7B-Instruct costs $0.15/1M input and $0.15/1M output tokens. Provider discounts or batch pricing can still change the final bill.

Is Llama 3.1 405B Instruct or Together AI Qwen2-7B-Instruct open source?

Llama 3.1 405B Instruct is listed under Llama 3 Community. Together AI Qwen2-7B-Instruct is listed under Apache 2.0. License labels affect whether you can self-host, redistribute weights, or rely only on hosted APIs, so confirm the upstream license before deployment.

Which is better for structured outputs, Llama 3.1 405B Instruct or Together AI Qwen2-7B-Instruct?

Both Llama 3.1 405B Instruct and Together AI Qwen2-7B-Instruct expose structured outputs. The better choice depends on benchmark fit, context budget, pricing, and whether your provider route exposes the same capability surface.

Where can I run Llama 3.1 405B Instruct and Together AI Qwen2-7B-Instruct?

Llama 3.1 405B Instruct is available on OctoAI API (Deprecated), Together AI, Fireworks AI, IBM watsonx, and Scale AI GenAI Platform. Together AI Qwen2-7B-Instruct is available on Together AI. Provider coverage can affect latency, region availability, compliance posture, and fallback options.

When should I pick Llama 3.1 405B Instruct over Together AI Qwen2-7B-Instruct?

Together AI Qwen2-7B-Instruct is ~1500% cheaper at $0.15/1M; pay for Llama 3.1 405B Instruct only for long-context analysis. If your workload also depends on long-context analysis, start with Llama 3.1 405B Instruct; if it depends on provider fit, run the same evaluation with Together AI Qwen2-7B-Instruct.

Continue comparing

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