LLM Reference

GPT-5.4 Pro vs Qwen3-9B

GPT-5.4 Pro (2026) and Qwen3-9B (2025) are frontier reasoning models from OpenAI and Alibaba. GPT-5.4 Pro ships a 1.05m-token context window, while Qwen3-9B ships a 256k-token context window. On pricing, GPT-5.4 Pro ranges from $30 to $60/1M input tokens by tier; Qwen3-9B costs $0.04/1M input tokens. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.

GPT-5.4 Pro fits 4x more tokens; pick it for long-context work and Qwen3-9B for tighter calls.

Decision scorecard

Local evidence first
SignalGPT-5.4 ProQwen3-9B
Best forreasoning-heavy apps, multimodal apps, and tool-calling agentsgeneral production evaluation
Decision fitCoding, RAG, and AgentsRAG, Long context, and Classification
Context window1.05m256k
Cheapest output$180/1M tokens$0.20/1M tokens
Provider routes3 tracked1 tracked
Shared benchmarks0 rows0 rows

Decision tradeoffs

Choose GPT-5.4 Pro when...
  • GPT-5.4 Pro has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • GPT-5.4 Pro has broader tracked provider coverage for fallback and procurement flexibility.
  • GPT-5.4 Pro uniquely exposes Vision, Multimodal, and Reasoning in local model data.
  • Local decision data tags GPT-5.4 Pro for Coding, RAG, and Agents.
Choose Qwen3-9B when...
  • Qwen3-9B has the lower cheapest tracked output price at $0.20/1M tokens.
  • 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

GPT-5.4 Pro

$69,000

Cheapest tracked route/tier: OpenRouter

Qwen3-9B

$82.00

Cheapest tracked route/tier: DeepInfra

Estimated monthly gap: $68,918. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.

Switch friction

GPT-5.4 Pro -> Qwen3-9B
  • No overlapping tracked provider route is sourced for GPT-5.4 Pro and Qwen3-9B; plan for SDK, billing, or endpoint changes.
  • Qwen3-9B is $180/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
  • Check replacement coverage for Vision, Multimodal, and Reasoning before moving production traffic.
Qwen3-9B -> GPT-5.4 Pro
  • No overlapping tracked provider route is sourced for Qwen3-9B and GPT-5.4 Pro; plan for SDK, billing, or endpoint changes.
  • GPT-5.4 Pro is $180/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
  • GPT-5.4 Pro adds Vision, Multimodal, and Reasoning in local capability data.

Specs

Specification
Released2026-03-012025-04-28
Context window1.05m256k
Parameters9B
Architecturedecoder onlydecoder only
LicenseProprietaryApache 2.0(OSI)
OpennessProprietaryOpen source
Commercial useCommercial use with conditionsCommercial use allowed
Knowledge cutoff2025-08-

Pricing and availability

Pricing attributeGPT-5.4 ProQwen3-9B
Input price
0-272,000t
$30/1M tokens
272,000t+
$60/1M tokens
$0.04/1M tokens
Output price
0-272,000t
$180/1M tokens
272,000t+
$270/1M tokens
$0.20/1M tokens
Providers

Capabilities

CapabilityGPT-5.4 ProQwen3-9B
VisionYesNo
MultimodalYesNo
ReasoningYesNo
Function callingYesNo
Tool useYesNo
Structured outputsYesYes
Code executionYesNo
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 vision: GPT-5.4 Pro, multimodal input: GPT-5.4 Pro, reasoning mode: GPT-5.4 Pro, function calling: GPT-5.4 Pro, tool use: GPT-5.4 Pro, and code execution: GPT-5.4 Pro. Both models share structured outputs, 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, GPT-5.4 Pro lists tiered pricing: 0-272,000t is $30/1M input and $180/1M output; 272,000t+ is $60/1M input and $270/1M output, 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 $74.91 per million blended tokens. For tiered rows, this cheapest-track view can understate interactive or fast-lane spend, so compare the tier you will actually use. Availability is 3 providers versus 1, so concentration risk also matters.

Choose GPT-5.4 Pro when coding workflow support, larger context windows, and broader provider choice are central to the workload. Choose Qwen3-9B 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.

FAQ

Which has a larger context window, GPT-5.4 Pro or Qwen3-9B?

GPT-5.4 Pro supports 1.05m tokens, while Qwen3-9B supports 256k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible. Use this as a quick comparison signal, then confirm the provider-specific limits before committing to production.

Which is cheaper, GPT-5.4 Pro or Qwen3-9B?

GPT-5.4 Pro lists tiered pricing: 0-272,000t is $30/1M input and $180/1M output; 272,000t+ is $60/1M input and $270/1M output. Qwen3-9B lists $0.04/1M input and $0.20/1M output tokens on the cheapest tracked provider. Compare the tier you will actually use; cheap async pricing can overstate savings for interactive workflows. Provider discounts or batch pricing can still change the final bill.

Is GPT-5.4 Pro or Qwen3-9B open source?

GPT-5.4 Pro is listed under Proprietary. 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 vision, GPT-5.4 Pro or Qwen3-9B?

GPT-5.4 Pro has the clearer documented vision signal in this comparison. If vision is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ. Use this as a quick comparison signal, then confirm the provider-specific limits before committing to production.

Which is better for multimodal input, GPT-5.4 Pro or Qwen3-9B?

GPT-5.4 Pro has the clearer documented multimodal input signal in this comparison. If multimodal input is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.

Where can I run GPT-5.4 Pro and Qwen3-9B?

GPT-5.4 Pro is available on OpenRouter, OpenAI API, and Vercel AI Gateway. 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: 2026-05-22. Data sourced from public model cards and provider documentation.