API cost decision in 10 seconds

🔥GPT-5.5 vs Qwen3.6 Flash

Pick Qwen3.6 Flash for lower cost; pick GPT-5.5 only if the larger context window matters more.

Page updated: 2026-05-26T12:03:47Z Data confirmed: 2026-05-26T14:08:03Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Qwen3.6 Flash for lower cost; pick GPT-5.5 only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Qwen3.6 Flash is estimated at $0.75 vs $20 for GPT-5.5, saving $19.25 (96.2% lower).

Cost-first pickQwen3.6 Flash

Context-first pickGPT-5.5

Sample savings$19.2596.2%

10x traffic gap$192.5

GPT-5.5 has more context, but Qwen3.6 Flash saves $19.25 on the standard workload. At 10x that traffic, the same price gap is about $192.5. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Qwen3.6 Flash stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shape	Token mix	Better pick	GPT-5.5	Qwen3.6 Flash
Input-heavy / RAG	5M input + 500K output	Qwen3.6 Flash	$40	$1.5
Balanced workload	1M input + 1M output	Qwen3.6 Flash	$35	$1.31
Output-heavy chatbot	1M input + 5M output	Qwen3.6 Flash	$155	$5.81

Cheaper input Qwen3.6 Flash $5 vs $0.1875 / 1M

Qwen3.6 Flash is $4.81 cheaper per 1M input tokens (96.2% lower; 26.7x difference).

Cheaper output Qwen3.6 Flash $30 vs $1.125 / 1M

Qwen3.6 Flash is $28.88 cheaper per 1M output tokens (96.2% lower; 26.7x difference).

Larger context GPT-5.5 1.05M vs 1M

GPT-5.5 has 50K more context (1.05x larger).

Sample workload Qwen3.6 Flash $20 vs $0.75

Qwen3.6 Flash is $19.25 cheaper on the standard workload (96.2% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

GPT-5.5 Calculating… Estimated API cost

Qwen3.6 Flash 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

Qwen3.6 Flash has the lower input price; Qwen3.6 Flash has the lower output price; GPT-5.5 offers the larger context window. For the 1M input plus 500K output sample, Qwen3.6 Flash is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $20 for GPT-5.5 and $0.75 for Qwen3.6 Flash.

Best Fit

Choose GPT-5.5 when you care most about larger context window.

Choose Qwen3.6 Flash when you care most about lower input-token price, and lower output-token price.

Decision Notes

On the standard 1M input plus 500K output workload, Qwen3.6 Flash is estimated at $0.75 vs $20 for GPT-5.5, saving $19.25 (96.2% lower).
Qwen3.6 Flash is $19.25 cheaper on the standard workload (96.2% lower).
Qwen3.6 Flash is $4.81 cheaper per 1M input tokens (96.2% lower; 26.7x difference).
Qwen3.6 Flash is $28.88 cheaper per 1M output tokens (96.2% lower; 26.7x difference).
GPT-5.5 has 50K more context (1.05x larger).

Head-to-Head Specs

Feature	🔥GPT-5.5 (OpenAI)	Qwen3.6 Flash (Qwen)
Input Price prompt tokens per 1M	$5	$0.1875
Completion Price per 1M tokens	$30	$1.125
Sample Workload Cost 1M input + 500K output	$20	$0.75
Context Window	1.05M	1M
Release Date	2026-04-24	2026-04-27
Popularity	#17

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	Qwen3.6 Flash	On the standard 1M input plus 500K output workload, Qwen3.6 Flash is estimated at $0.75 vs $20 for GPT-5.5, saving $19.25 (96.2% lower).
High-volume input processing	Qwen3.6 Flash	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	Qwen3.6 Flash	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	GPT-5.5	A 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-5.5 when lower sample workload cost matters most: $0.
gpt-oss-20b (free) can replace GPT-5.5 when lower sample workload cost matters most: $0.
gpt-oss-20b can replace GPT-5.5 when lower sample workload cost matters most: $0.1.
gpt-oss-120b can replace GPT-5.5 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 Multi-Agent offers 2M context with $5 sample workload cost.
Grok 4.20 offers 2M context with $2.5 sample workload cost.

Popular competitors

DeepSeek V4 Flash · DeepSeek · #1
Hy3 preview · Tencent · #2
Claude Opus 4.7 · Anthropic · #3
Claude Sonnet 4.6 · Anthropic · #4

Cheaper alternatives

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Larger context alternatives

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Provider catalogs

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OpenAI catalog

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Qwen catalog

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

Open Qwen models

GPT-5.5

GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. It features a 1M+ token...

Qwen3.6 Flash

Qwen3.6 Flash is a fast, efficient language model from Alibaba's Qwen 3.6 series. It supports text, image, and video input with a 1M token context window. Tiered pricing kicks in...