LLM Reference

DeepSeek R1 Basic vs Qwen3-9B

DeepSeek R1 Basic (2025) and Qwen3-9B (2025) are frontier reasoning models from DeepSeek and Alibaba. DeepSeek R1 Basic ships a 160k-token context window, while Qwen3-9B ships a 256k-token context window. On pricing, Qwen3-9B costs $0.04/1M input tokens versus $0.56/1M 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.

Qwen3-9B is ~1300% cheaper at $0.04/1M; pay for DeepSeek R1 Basic only for reasoning depth.

Decision scorecard

Local evidence first
SignalDeepSeek R1 BasicQwen3-9B
Best forreasoning-heavy appsgeneral production evaluation
Decision fitLong contextRAG, Long context, and Classification
Context window160k256k
Cheapest output$1.68/1M tokens$0.20/1M tokens
Provider routes1 tracked1 tracked
Shared benchmarks0 rows0 rows

Decision tradeoffs

Choose DeepSeek R1 Basic when...
  • DeepSeek R1 Basic uniquely exposes Reasoning in local model data.
  • Local decision data tags DeepSeek R1 Basic for Long context.
Choose Qwen3-9B when...
  • Qwen3-9B has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Qwen3-9B has the lower cheapest tracked output price at $0.20/1M tokens.
  • Qwen3-9B uniquely exposes Structured outputs in local model data.
  • Local decision data tags Qwen3-9B for RAG, Long context, and Classification.

Monthly cost at traffic

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

Lower estimate Qwen3-9B

DeepSeek R1 Basic

$868

Cheapest tracked route/tier: Fireworks AI

Qwen3-9B

$82.00

Cheapest tracked route/tier: DeepInfra

Estimated monthly gap: $786. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.

Switch friction

DeepSeek R1 Basic -> Qwen3-9B
  • No overlapping tracked provider route is sourced for DeepSeek R1 Basic and Qwen3-9B; plan for SDK, billing, or endpoint changes.
  • Qwen3-9B is $1.48/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
  • Check replacement coverage for Reasoning before moving production traffic.
  • Qwen3-9B adds Structured outputs in local capability data.
Qwen3-9B -> DeepSeek R1 Basic
  • No overlapping tracked provider route is sourced for Qwen3-9B and DeepSeek R1 Basic; plan for SDK, billing, or endpoint changes.
  • DeepSeek R1 Basic is $1.48/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
  • Check replacement coverage for Structured outputs before moving production traffic.
  • DeepSeek R1 Basic adds Reasoning in local capability data.

Specs

Specification
Released2025-01-012025-04-28
Context window160k256k
Parameters671B9B
Architecturedecoder onlydecoder only
LicenseMIT(OSI)Apache 2.0(OSI)
OpennessOpen sourceOpen source
Commercial useCommercial use allowedCommercial use allowed
Knowledge cutoff--

Pricing and availability

Pricing attributeDeepSeek R1 BasicQwen3-9B
Input price$0.56/1M tokens$0.04/1M tokens
Output price$1.68/1M tokens$0.20/1M tokens
Providers

Capabilities

CapabilityDeepSeek R1 BasicQwen3-9B
VisionNoNo
MultimodalNoNo
ReasoningYesNo
Function callingNoNo
Tool useNoNo
Structured outputsNoYes
Code executionNoNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark rows are currently sourced for this pair.

Deep dive

The capability footprint differs most on reasoning mode: DeepSeek R1 Basic and structured outputs: Qwen3-9B. Both models share the core language-model surface, so the practical split is not just feature count. Use those differences to decide whether the page is about raw model quality, agentic coding support, multimodal ingestion, or predictable structured API behavior.

For cost, DeepSeek R1 Basic lists $0.56/1M input and $1.68/1M output tokens on the cheapest tracked provider, while Qwen3-9B lists $0.04/1M input and $0.20/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Qwen3-9B lower by about $0.81 per million blended tokens. Availability is 1 providers versus 1, so concentration risk also matters.

Choose DeepSeek R1 Basic when reasoning depth are central to the workload. Choose Qwen3-9B when long-context analysis, larger context windows, 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, DeepSeek R1 Basic or Qwen3-9B?

Qwen3-9B supports 256k tokens, while DeepSeek R1 Basic supports 160k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.

Which is cheaper, DeepSeek R1 Basic or Qwen3-9B?

Qwen3-9B is cheaper on tracked token pricing. DeepSeek R1 Basic costs $0.56/1M input and $1.68/1M output tokens. Qwen3-9B costs $0.04/1M input and $0.20/1M output tokens. Provider discounts or batch pricing can still change the final bill.

Is DeepSeek R1 Basic or Qwen3-9B open source?

DeepSeek R1 Basic is listed under MIT. Qwen3-9B 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 reasoning mode, DeepSeek R1 Basic or Qwen3-9B?

DeepSeek R1 Basic has the clearer documented reasoning mode signal in this comparison. If reasoning mode is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.

Which is better for structured outputs, DeepSeek R1 Basic or Qwen3-9B?

Qwen3-9B has the clearer documented structured outputs signal in this comparison. If structured outputs is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.

Where can I run DeepSeek R1 Basic and Qwen3-9B?

DeepSeek R1 Basic is available on Fireworks AI. Qwen3-9B is available on DeepInfra. Provider coverage can affect latency, region availability, compliance posture, and fallback options. Use this as a quick comparison signal, then confirm the provider-specific limits before committing to production.

Continue comparing

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