API cost decision in 10 seconds

OpenAI GPT Latest vs Qwen3.5-27B

Pick Qwen3.5-27B for lower cost; pick OpenAI GPT Latest only if the larger context window matters more.

Pricing data updated: 2026-05-26T11:08:00Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Qwen3.5-27B for lower cost; pick OpenAI GPT Latest only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Qwen3.5-27B is estimated at $0.98 vs $20 for OpenAI GPT Latest, saving $19.02 (95.1% lower).

Cost-first pickQwen3.5-27B

Context-first pickOpenAI GPT Latest

Sample savings$19.0295.1%

10x traffic gap$190.25

OpenAI GPT Latest has more context, but Qwen3.5-27B saves $19.02 on the standard workload. At 10x that traffic, the same price gap is about $190.25. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Qwen3.5-27B stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shape	Token mix	Better pick	OpenAI GPT Latest	Qwen3.5-27B
Input-heavy / RAG	5M input + 500K output	Qwen3.5-27B	$40	$1.75
Balanced workload	1M input + 1M output	Qwen3.5-27B	$35	$1.76
Output-heavy chatbot	1M input + 5M output	Qwen3.5-27B	$155	$8

Cheaper input Qwen3.5-27B $5 vs $0.195 / 1M

Qwen3.5-27B is $4.8 cheaper per 1M input tokens (96.1% lower; 25.6x difference).

Cheaper output Qwen3.5-27B $30 vs $1.56 / 1M

Qwen3.5-27B is $28.44 cheaper per 1M output tokens (94.8% lower; 19.2x difference).

Larger context OpenAI GPT Latest 1.05M vs 262.14K

OpenAI GPT Latest has 787.86K more context (4.01x larger).

Sample workload Qwen3.5-27B $20 vs $0.98

Qwen3.5-27B is $19.02 cheaper on the standard workload (95.1% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

OpenAI GPT Latest Calculating… Estimated API cost

Qwen3.5-27B 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

Qwen3.5-27B has the lower input price; Qwen3.5-27B has the lower output price; OpenAI GPT Latest offers the larger context window. For the 1M input plus 500K output sample, Qwen3.5-27B is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $20 for OpenAI GPT Latest and $0.98 for Qwen3.5-27B.

Best Fit

Choose OpenAI GPT Latest when you care most about larger context window.

Choose Qwen3.5-27B 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, Qwen3.5-27B is estimated at $0.98 vs $20 for OpenAI GPT Latest, saving $19.02 (95.1% lower).
Qwen3.5-27B is $19.02 cheaper on the standard workload (95.1% lower).
Qwen3.5-27B is $4.8 cheaper per 1M input tokens (96.1% lower; 25.6x difference).
Qwen3.5-27B is $28.44 cheaper per 1M output tokens (94.8% lower; 19.2x difference).
OpenAI GPT Latest has 787.86K more context (4.01x larger).

Head-to-Head Specs

Feature	OpenAI GPT Latest (OpenAI)	Qwen3.5-27B (Qwen)
Input Price prompt tokens per 1M	$5	$0.195
Completion Price per 1M tokens	$30	$1.56
Sample Workload Cost 1M input + 500K output	$20	$0.98
Context Window	1.05M	262.14K
Release Date	2026-04-27	2026-02-25

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	Qwen3.5-27B	On the standard 1M input plus 500K output workload, Qwen3.5-27B is estimated at $0.98 vs $20 for OpenAI GPT Latest, saving $19.02 (95.1% lower).
High-volume input processing	Qwen3.5-27B	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	Qwen3.5-27B	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	OpenAI GPT Latest	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 OpenAI GPT Latest when lower sample workload cost matters most: $0.
gpt-oss-20b (free) can replace OpenAI GPT Latest when lower sample workload cost matters most: $0.
gpt-oss-20b can replace OpenAI GPT Latest when lower sample workload cost matters most: $0.1.
gpt-oss-120b can replace OpenAI GPT Latest 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

No popular competitor is currently available.

Cheaper alternatives

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

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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

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OpenAI GPT Latest

This model always redirects to the latest model in the OpenAI GPT family.

Qwen3.5-27B

The Qwen3.5 27B native vision-language Dense model incorporates a linear attention mechanism, delivering fast response times while balancing inference speed and performance. Its overall capabilities are comparable to those of...