API cost decision in 10 seconds

GPT-5.5 Pro vs Ling-2.6-1T

Pick Ling-2.6-1T for lower cost; pick GPT-5.5 Pro only if the larger context window matters more.

Page updated: 2026-05-26T10:03:26Z Data confirmed: 2026-05-26T13:08:02Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Ling-2.6-1T for lower cost; pick GPT-5.5 Pro only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Ling-2.6-1T is estimated at $0.39 vs $120 for GPT-5.5 Pro, saving $119.61 (99.7% lower).

Cost-first pickLing-2.6-1T

Context-first pickGPT-5.5 Pro

Sample savings$119.6199.7%

10x traffic gap$1196.12

GPT-5.5 Pro has more context, but Ling-2.6-1T saves $119.61 on the standard workload. At 10x that traffic, the same price gap is about $1196.12. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Ling-2.6-1T stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shape	Token mix	Better pick	GPT-5.5 Pro	Ling-2.6-1T
Input-heavy / RAG	5M input + 500K output	Ling-2.6-1T	$240	$0.69
Balanced workload	1M input + 1M output	Ling-2.6-1T	$210	$0.7
Output-heavy chatbot	1M input + 5M output	Ling-2.6-1T	$930	$3.2

Cheaper input Ling-2.6-1T $30 vs $0.075 / 1M

Ling-2.6-1T is $29.93 cheaper per 1M input tokens (99.8% lower; 400x difference).

Cheaper output Ling-2.6-1T $180 vs $0.625 / 1M

Ling-2.6-1T is $179.38 cheaper per 1M output tokens (99.7% lower; 288x difference).

Larger context GPT-5.5 Pro 1.05M vs 262.14K

GPT-5.5 Pro has 787.86K more context (4.01x larger).

Sample workload Ling-2.6-1T $120 vs $0.39

Ling-2.6-1T is $119.61 cheaper on the standard workload (99.7% 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 Pro Calculating… Estimated API cost

Ling-2.6-1T 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

Ling-2.6-1T has the lower input price; Ling-2.6-1T has the lower output price; GPT-5.5 Pro offers the larger context window. For the 1M input plus 500K output sample, Ling-2.6-1T is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $120 for GPT-5.5 Pro and $0.39 for Ling-2.6-1T.

Best Fit

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

Choose Ling-2.6-1T 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, Ling-2.6-1T is estimated at $0.39 vs $120 for GPT-5.5 Pro, saving $119.61 (99.7% lower).
Ling-2.6-1T is $119.61 cheaper on the standard workload (99.7% lower).
Ling-2.6-1T is $29.93 cheaper per 1M input tokens (99.8% lower; 400x difference).
Ling-2.6-1T is $179.38 cheaper per 1M output tokens (99.7% lower; 288x difference).
GPT-5.5 Pro has 787.86K more context (4.01x larger).

Head-to-Head Specs

Feature	GPT-5.5 Pro (OpenAI)	Ling-2.6-1T (inclusionAI)
Input Price prompt tokens per 1M	$30	$0.075
Completion Price per 1M tokens	$180	$0.625
Sample Workload Cost 1M input + 500K output	$120	$0.39
Context Window	1.05M	262.14K
Release Date	2026-04-24	2026-04-23

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	Ling-2.6-1T	On the standard 1M input plus 500K output workload, Ling-2.6-1T is estimated at $0.39 vs $120 for GPT-5.5 Pro, saving $119.61 (99.7% lower).
High-volume input processing	Ling-2.6-1T	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	Ling-2.6-1T	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	GPT-5.5 Pro	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 Pro when lower sample workload cost matters most: $0.
gpt-oss-20b (free) can replace GPT-5.5 Pro when lower sample workload cost matters most: $0.
gpt-oss-20b can replace GPT-5.5 Pro when lower sample workload cost matters most: $0.1.
gpt-oss-120b can replace GPT-5.5 Pro 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.

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GPT-5.5 Pro

GPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads. It features a 1M+ token context window (922K input, 128K output) with support for...

Ling-2.6-1T

Ling-2.6-1T is an instant (instruct) model from inclusionAI and the company’s trillion-parameter flagship, designed for real-world agents that require fast execution and high efficiency at scale. It uses a “fast...