API cost decision in 10 seconds

GPT-5 Nano vs Qwen3 Coder Plus

Pick GPT-5 Nano for lower cost; pick Qwen3 Coder Plus only if the larger context window matters more.

Page updated:  Data confirmed:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick GPT-5 Nano for lower cost; pick Qwen3 Coder Plus only if the larger context window matters more.

On the standard 1M input plus 500K output workload, GPT-5 Nano is estimated at $0.25 vs $2.27 for Qwen3 Coder Plus, saving $2.02 (89% lower).

Cost-first pickGPT-5 Nano
Context-first pickQwen3 Coder Plus
Sample savings$2.0289%
10x traffic gap$20.25

Qwen3 Coder Plus has more context, but GPT-5 Nano saves $2.02 on the standard workload. At 10x that traffic, the same price gap is about $20.25. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

GPT-5 Nano stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickGPT-5 NanoQwen3 Coder Plus
Input-heavy / RAG5M input + 500K outputGPT-5 Nano$0.45$4.88
Balanced workload1M input + 1M outputGPT-5 Nano$0.45$3.9
Output-heavy chatbot1M input + 5M outputGPT-5 Nano$2.05$16.9
Cheaper input GPT-5 Nano $0.05 vs $0.65 / 1M

GPT-5 Nano is $0.6 cheaper per 1M input tokens (92.3% lower; 13x difference).

Cheaper output GPT-5 Nano $0.4 vs $3.25 / 1M

GPT-5 Nano is $2.85 cheaper per 1M output tokens (87.7% lower; 8.12x difference).

Larger context Qwen3 Coder Plus 400K vs 1M

Qwen3 Coder Plus has 600K more context (2.5x larger).

Sample workload GPT-5 Nano $0.25 vs $2.27

GPT-5 Nano is $2.02 cheaper on the standard workload (89% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
GPT-5 Nano Calculating… Estimated API cost
Qwen3 Coder Plus Calculating… Estimated API cost
Cheaper for this workload Calculating… Difference: calculating…

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Quick Decision

Verdict

GPT-5 Nano has the lower input price; GPT-5 Nano has the lower output price; Qwen3 Coder Plus offers the larger context window. For the 1M input plus 500K output sample, GPT-5 Nano is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $0.25 for GPT-5 Nano and $2.27 for Qwen3 Coder Plus.

Best Fit

Choose GPT-5 Nano when you care most about lower input-token price, and lower output-token price.

Choose Qwen3 Coder Plus when you care most about larger context window.

Decision Notes
  • On the standard 1M input plus 500K output workload, GPT-5 Nano is estimated at $0.25 vs $2.27 for Qwen3 Coder Plus, saving $2.02 (89% lower).
  • GPT-5 Nano is $2.02 cheaper on the standard workload (89% lower).
  • GPT-5 Nano is $0.6 cheaper per 1M input tokens (92.3% lower; 13x difference).
  • GPT-5 Nano is $2.85 cheaper per 1M output tokens (87.7% lower; 8.12x difference).
  • Qwen3 Coder Plus has 600K more context (2.5x larger).
Head-to-Head Specs
FeatureGPT-5 Nano
(OpenAI)		Qwen3 Coder Plus
(Qwen)
Input Price
prompt tokens per 1M		$0.05$0.65
Completion Price
per 1M tokens		$0.4$3.25
Sample Workload Cost
1M input + 500K output		$0.25$2.27
Context Window400K1M
Release Date
Popularity#63#147

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionGPT-5 NanoOn the standard 1M input plus 500K output workload, GPT-5 Nano is estimated at $0.25 vs $2.27 for Qwen3 Coder Plus, saving $2.02 (89% lower).
High-volume input processingGPT-5 NanoLower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsGPT-5 NanoLower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workQwen3 Coder PlusA larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps
  • gpt-oss-120b (free) can replace GPT-5 Nano when lower sample workload cost matters most: $0.
  • gpt-oss-20b (free) can replace GPT-5 Nano when lower sample workload cost matters most: $0.
  • gpt-oss-20b can replace GPT-5 Nano when lower sample workload cost matters most: $0.1.
  • gpt-oss-120b can replace GPT-5 Nano when lower sample workload cost matters most: $0.13.
Larger context near this budget
  • Llama 4 Scout offers 10M context with $0.23 sample workload cost.
  • Grok 4.20 offers 2M context with $2.5 sample workload cost.
  • Owl Alpha offers 1.05M context with $0 sample workload cost.
  • DeepSeek V4 Flash offers 1.05M context with $0.2 sample workload cost.

Cheaper alternatives

Review low-cost models sorted by a standard 1M input plus 500K output workload.

Open cheapest models

Larger context alternatives

Find models with larger context windows for RAG, long documents, and codebase review.

Open largest context models

Provider catalogs

Compare models within provider hubs before choosing a final API vendor.

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OpenAI catalog

Review all tracked OpenAI models before deciding whether this matchup is the right shortlist.

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Qwen catalog

Check other Qwen models with comparable pricing, context, or release timing.

Open Qwen models
GPT-5 Nano

GPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments. While limited in reasoning depth compared to its larger...

Qwen3 Coder Plus

Qwen3 Coder Plus is Alibaba's proprietary version of the Open Source Qwen3 Coder 480B A35B. It is a powerful coding agent model specializing in autonomous programming via tool calling and...