API cost decision in 10 seconds

Ling-2.6-1T vs Claude Opus 4.6 (Fast)

Pick Ling-2.6-1T for lower cost; pick Claude Opus 4.6 (Fast) 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 Claude Opus 4.6 (Fast) 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 $105 for Claude Opus 4.6 (Fast), saving $104.61 (99.6% lower).

Cost-first pickLing-2.6-1T

Context-first pickClaude Opus 4.6 (Fast)

Sample savings$104.6199.6%

10x traffic gap$1046.12

Claude Opus 4.6 (Fast) has more context, but Ling-2.6-1T saves $104.61 on the standard workload. At 10x that traffic, the same price gap is about $1046.12. 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	Ling-2.6-1T	Claude Opus 4.6 (Fast)
Input-heavy / RAG	5M input + 500K output	Ling-2.6-1T	$0.69	$225
Balanced workload	1M input + 1M output	Ling-2.6-1T	$0.7	$180
Output-heavy chatbot	1M input + 5M output	Ling-2.6-1T	$3.2	$780

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

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

Cheaper output Ling-2.6-1T $0.625 vs $150 / 1M

Ling-2.6-1T is $149.38 cheaper per 1M output tokens (99.6% lower; 240x difference).

Larger context Claude Opus 4.6 (Fast) 262.14K vs 1M

Claude Opus 4.6 (Fast) has 737.86K more context (3.81x larger).

Sample workload Ling-2.6-1T $0.39 vs $105

Ling-2.6-1T is $104.61 cheaper on the standard workload (99.6% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

Ling-2.6-1T Calculating… Estimated API cost

Claude Opus 4.6 (Fast) 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; Claude Opus 4.6 (Fast) 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 $0.39 for Ling-2.6-1T and $105 for Claude Opus 4.6 (Fast).

Best Fit

Choose Ling-2.6-1T when you care most about lower input-token price, and lower output-token price.

Choose Claude Opus 4.6 (Fast) when you care most about larger context window.

Decision Notes

On the standard 1M input plus 500K output workload, Ling-2.6-1T is estimated at $0.39 vs $105 for Claude Opus 4.6 (Fast), saving $104.61 (99.6% lower).
Ling-2.6-1T is $104.61 cheaper on the standard workload (99.6% lower).
Ling-2.6-1T is $29.93 cheaper per 1M input tokens (99.8% lower; 400x difference).
Ling-2.6-1T is $149.38 cheaper per 1M output tokens (99.6% lower; 240x difference).
Claude Opus 4.6 (Fast) has 737.86K more context (3.81x larger).

Head-to-Head Specs

Feature	Ling-2.6-1T (inclusionAI)	Claude Opus 4.6 (Fast) (Anthropic)
Input Price prompt tokens per 1M	$0.075	$30
Completion Price per 1M tokens	$0.625	$150
Sample Workload Cost 1M input + 500K output	$0.39	$105
Context Window	262.14K	1M
Release Date	2026-04-23	2026-04-07

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 $105 for Claude Opus 4.6 (Fast), saving $104.61 (99.6% 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	Claude Opus 4.6 (Fast)	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

Ling-2.6-flash can replace Ling-2.6-1T when lower sample workload cost matters most: $0.03.
Claude 3 Haiku can replace Claude Opus 4.6 (Fast) when lower sample workload cost matters most: $0.88.
Claude 3.5 Haiku can replace Claude Opus 4.6 (Fast) when lower sample workload cost matters most: $2.8.
Anthropic Claude Haiku Latest can replace Claude Opus 4.6 (Fast) when lower sample workload cost matters most: $3.5.

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.
GPT-5.5 offers 1.05M context with $20 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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inclusionAI catalog

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Anthropic catalog

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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...

Claude Opus 4.6 (Fast)

Fast-mode variant of [Opus 4.6](/anthropic/claude-opus-4.6) - identical capabilities with higher output speed at premium 6x pricing. Learn more in Anthropic's docs: https://platform.claude.com/docs/en/build-with-claude/fast-mode