How much does Inkling (256K) cost per month?

For a chatbot handling 10,000 requests a day with 1,000 input and 500 output tokens each, Inkling (256K) costs about $2,526 per month at Thinking Machines' list prices ($3.74 per 1M input tokens, $9.36 per 1M output tokens).

Does Inkling (256K) support prompt caching?

Yes. Cached input costs $0.748 per 1M tokens, compared with $3.74 for regular input.

How long is Inkling (256K)'s context window?

Inkling (256K) accepts up to 262,144 tokens (262K) of context and returns up to 262,144 tokens per response.

Inkling (256K) API Pricing

Thinking Machines · released Jul 15, 2026 · 262K context · API model ID thinkingmachines/Inkling:peft:262144

Inkling (256K) by Thinking Machines API pricing: $3.74 per 1M input tokens and $9.36 per 1M output tokens (provider list price via models.dev, Oct 10, 2026).

Prices

Inkling (256K) prices, USD per 1M tokens
Price	USD per 1M tokens
Input	$3.74
Output	$9.36
Cache read	$0.748
Cache write	Not published

Thinking Machines' list price for its own API, as compiled by models.dev and checked Oct 10, 2026, 09:00 UTC. Prices on cloud platforms and resellers can differ. Provider documentation

Estimated monthly cost

$2,526

per month

per day: $84.20
per request: $0.00842

Cost = input tokens × input price + output tokens × output price, 30 days a month. Cached input uses the cache read price. Cache write fees are not included.

Compare this workload across models

Monthly cost by workload

Workload	Per month
Chatbot1,000 in / 500 out tokens, 10,000 requests a day	$2,526/mo
RAG8,000 in / 500 out tokens, 5,000 requests a day	$5,190/mo
Coding agent50,000 in / 2,000 out tokens, 1,000 requests a day, 80% cached input	$2,581/mo

Context and capabilities

Context: 262,144 tokens
Max output: 262,144 tokens
Input: text, image
Output: text
Knowledge cutoff: Not published
Open weights: Yes
Tool calling: Yes
Reasoning: Yes
Structured outputs: No

Capabilities and limits as listed by models.dev.

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GPT-6.1 Sol · $2.00 in / $10.00 out

Price history

No price changes since we started tracking on Oct 8, 2026.

Questions

How much does Inkling (256K) cost per month?: For a chatbot handling 10,000 requests a day with 1,000 input and 500 output tokens each, Inkling (256K) costs about $2,526 per month at Thinking Machines' list prices ($3.74 per 1M input tokens, $9.36 per 1M output tokens).
Does Inkling (256K) support prompt caching?: Yes. Cached input costs $0.748 per 1M tokens, compared with $3.74 for regular input.
How long is Inkling (256K)'s context window?: Inkling (256K) accepts up to 262,144 tokens (262K) of context and returns up to 262,144 tokens per response.