API cost decision in 10 seconds

GPT-5.1-Codex-Max vs Qwen3 VL 32B Instruct

Pick Qwen3 VL 32B Instruct for lower cost; pick GPT-5.1-Codex-Max only if the larger context window matters more.

Pricing data updated:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Qwen3 VL 32B Instruct for lower cost; pick GPT-5.1-Codex-Max only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Qwen3 VL 32B Instruct is estimated at $0.31 vs $6.25 for GPT-5.1-Codex-Max, saving $5.94 (95% lower).

Cost-first pickQwen3 VL 32B Instruct
Context-first pickGPT-5.1-Codex-Max
Sample savings$5.9495%
10x traffic gap$59.38

GPT-5.1-Codex-Max has more context, but Qwen3 VL 32B Instruct saves $5.94 on the standard workload. At 10x that traffic, the same price gap is about $59.38. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Qwen3 VL 32B Instruct stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickGPT-5.1-Codex-MaxQwen3 VL 32B Instruct
Input-heavy / RAG 5M input + 500K output Qwen3 VL 32B Instruct $11.25 $0.73
Balanced workload 1M input + 1M output Qwen3 VL 32B Instruct $11.25 $0.52
Output-heavy chatbot 1M input + 5M output Qwen3 VL 32B Instruct $51.25 $2.18
Cheaper inputQwen3 VL 32B Instruct$1.25 vs $0.1 / 1M
Cheaper outputQwen3 VL 32B Instruct$10 vs $0.42 / 1M
Larger contextGPT-5.1-Codex-Max400K vs 262.14K
Sample workloadQwen3 VL 32B Instruct$6.25 vs $0.31

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
GPT-5.1-Codex-MaxCalculating…Estimated API cost
Qwen3 VL 32B InstructCalculating…Estimated API cost
Cheaper for this workloadCalculating…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

Qwen3 VL 32B Instruct has the lower input price, Qwen3 VL 32B Instruct has the lower output price, and GPT-5.1-Codex-Max offers the larger context window.

For a 1M input token plus 500K output token workload, the estimated API cost is $6.25 for GPT-5.1-Codex-Max and $0.31 for Qwen3 VL 32B Instruct.

Best Fit

Choose GPT-5.1-Codex-Max when you care most about larger context window.

Choose Qwen3 VL 32B Instruct when you care most about lower input-token price, and lower output-token price.

Head-to-Head Specs
FeatureGPT-5.1-Codex-Max
(OpenAI)		Qwen3 VL 32B Instruct
(Qwen)
Input Price
prompt tokens per 1M		$1.25$0.1
Completion Price
per 1M tokens		$10$0.42
Sample Workload Cost
1M input + 500K output		$6.25$0.31
Context Window400K262.14K
Release Date2025-12-042025-10-23
GPT-5.1-Codex-Max

GPT-5.1-Codex-Max is OpenAI’s latest agentic coding model, designed for long-running, high-context software development tasks. It is based on an updated version of the 5.1 reasoning stack and trained on agentic...

Qwen3 VL 32B Instruct

Qwen3-VL-32B-Instruct is a large-scale multimodal vision-language model designed for high-precision understanding and reasoning across text, images, and video. With 32 billion parameters, it combines deep visual perception with advanced text...

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionQwen3 VL 32B InstructOn the standard 1M input plus 500K output workload, Qwen3 VL 32B Instruct is estimated at $0.31 vs $6.25 for GPT-5.1-Codex-Max, saving $5.94 (95% lower).
High-volume input processingQwen3 VL 32B InstructLower prompt-token price matters most when prompts or retrieved passages dominate the bill.
Long responses and chatbotsQwen3 VL 32B InstructLower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workGPT-5.1-Codex-MaxA larger context window leaves more room for retrieved passages and source files.