Inkling Small
by Thinkingmachines · thinkingmachines/inkling-small · #182 cheapest of 422 paid models
Prices updated Sep 19, 2026, 6:21 PM UTC · refreshed hourly
Inkling Small is an open-weight multimodal mixture-of-experts model from Thinking Machines Lab, with 12B active parameters out of 276B total. It is positioned as the smaller, more efficient member of...
Compare vs:Claude Sonnet 5Claude Opus 4.6Claude Haiku 4.5GPT-5.6 Sol
Pricing
Input
$0.45
per 1M tokens
Output
$1.20
per 1M tokens
Blended (3:1)
$0.637
3 input : 1 output
Cache read
$0.10
per 1M cached tokens
Cache write
—
per 1M tokens
Cache & batch economics
Effective prices for Inkling Small with prompt caching.
| Cache hit rate | Effective blended $/1M | Example request* | vs no cache |
|---|---|---|---|
| 0% | $0.637 | $0.0471 | — |
| 50% | $0.506 | $0.0296 | −37% |
| 90% | $0.401 | $0.0156 | −67% |
*Example: 100K sticky context + 2K new input + 1K output. Batch discount is an approximate 50% off list rates (available for OpenAI / Anthropic / Google — not flagged for this creator). Confirm on the vendor’s pricing page.
What a request costs
| Workload | Input tokens | Output tokens | Cost / request | Cost / 1K requests |
|---|---|---|---|---|
| Short chat message | 500 | 300 | $0.000585 | $0.585 |
| Document summary | 8,000 | 1,000 | $0.0048 | $4.80 |
| Codebase question (RAG) | 30,000 | 2,000 | $0.0159 | $15.90 |
| Long-context analysis | 150,000 | 5,000 | $0.0735 | $73.50 |
Performance
Intelligence Index
26.1
AA composite quality
Coding Index
52.9
Math Index
—
Agentic Index
25
Output speed
—
median
Time to first token
—
median
Time to first answer
—
after reasoning tokens
Specs
Context window
1.05M
tokens
Max output
262K
tokens
Input modalities
text, image, audio
Tokenizer
Other