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Model comparison

Inkling vs Inkling-Small

Updated July 30, 2026. Public scores include evidence status and uncertainty. They are not guarantees for a specific workload. This is a same-family comparison, so migration details appear when the source data supports them.

Inkling

Thinking Machines Lab

66.6/100

Supported · Public rank #24

90% interval 59.8–73.5

Inkling-Small

Thinking Machines Lab

Evidence status unavailable

90% interval unavailable

At least one model is not scored in the current public ranking lane, so the page does not name an overall quality winner.

15 results are shared. Category rows based on different benchmark sets are marked directional and do not name a winner.

Which one for your work

Recommendations appear only when a shared evidence basis or an explicit operating constraint supports the call. Secondary and unsupported use cases stay disclosed below the initial list.

  • Agentic work

    Tool use, computer use, and multi-step task completion

    Inkling-Small

    Inkling-Small leads on the same 2 weighted benchmark rows.

    Confidence: limited

  • Chat turn cost

    1K fresh input + 500 output tokens

    Inkling-Small

    Inkling-Small has the lower estimated token cost for this stated workload. Costs use the listed standard API rates.

    Confidence: listed-rates

  • Cache-heavy agent loop cost

    200K cached + 20K fresh input + 10K output tokens

    Inkling-Small

    Inkling-Small has the lower estimated token cost for this stated workload. Costs use the listed standard API rates.

    Confidence: listed-rates

Show secondary and unsupported calls
  • Repository review cost

    50K fresh input + 3K output tokens

    Inkling-Small

    Inkling-Small has the lower estimated token cost for this stated workload. Costs use the listed standard API rates.

    Confidence: listed-rates

  • Coding work

    Code generation, repair, and software-engineering tasks

    Not enough matched evidence

    The category averages use different weighted benchmark sets, so they are directional rather than like-for-like.

    Confidence: limited

  • Long documents

    Prompts that approach the documented context limit

    No clear pick

    The documented context windows are equal.

    Confidence: documented

What is actually comparable

Shared results can support a head-to-head reading. Results present for only one model describe coverage, not superiority.

Shared results
15
Inkling only
0
Inkling-Small only
5
Like-for-like categories
4 / 8

2 categories use different evidence sets. Those rows remain visible for coverage context but do not name a winner.

Category results, on a stated basis

Each row states whether both averages use the same weighted benchmark set. Directional and not-comparable rows remain visible, but they never receive a winner in this template.

Agentic

Like-for-like
Inkling
69.4
Inkling-Small
70.1
Weighted basis
2 vs 2 rows
Reading
Inkling-Small leads

Knowledge

Like-for-like
Inkling
51.6
Inkling-Small
53.4
Weighted basis
2 vs 2 rows
Reading
Inkling-Small leads

Multimodal

Like-for-like
Inkling
76.5
Inkling-Small
76.6
Weighted basis
2 vs 2 rows
Reading
Inkling-Small leads

Instruction following

Like-for-like
Inkling
79.8
Inkling-Small
82.2
Weighted basis
1 vs 1 rows
Reading
Inkling-Small leads

Coding

Directional only
Inkling
68.6
Inkling-Small
62.4
Weighted basis
2 vs 3 rows
Reading
Directional only

Math

Directional only
Inkling
97.1
Inkling-Small
92.9
Weighted basis
1 vs 2 rows
Reading
Directional only

Reasoning

Not comparable
Inkling
Not measured
Inkling-Small
40.1
Weighted basis
0 vs 1 rows
Reading
Not comparable

Multilingual

Not comparable
Inkling
Not measured
Inkling-Small
Not measured
Weighted basis
0 vs 0 rows
Reading
Not comparable

Shape of the matched evidence

Only shared public evidence is shown. Sparse evidence stays a ruled list rather than being closed into a radar shape.

Too few matched category axes support a radar. The ruled list below shows only shared benchmark results; positions use each benchmark’s normalized display scale when available.

What each workload costs

Three fixed token mixes turn per-token rates into comparable decisions. Each scenario states context fit and whether cached input had to fall back to the published list-input rate.

Chat turn

1K fresh input + 500 output tokens

Inkling
$0.00421
Fits in one request
Inkling-Small
$0.0013
Fits in one request

Inkling-Small has the lower modeled cost

Costs use the listed standard API rates.

Repository review

50K fresh input + 3K output tokens

Inkling
$0.10754
Fits in one request
Inkling-Small
$0.03332
Fits in one request

Inkling-Small has the lower modeled cost

Costs use the listed standard API rates.

Cache-heavy agent loop

200K cached + 20K fresh input + 10K output tokens

Inkling
$0.159
Fits in one request
Inkling-Small
$0.0492
Fits in one request

Inkling-Small has the lower modeled cost

Costs use the listed standard API rates.

Specification differences

Sourced differences are shown directly. Missing facts stay explicit instead of being inferred from a model name or family.

Context window

Maximum documented context; output-token limits may be lower.

Inkling

1M

Inkling-Small

1M

API model ID

Inkling

Not sourced

Inkling-Small

Not sourced

Cached-input rate

A missing cached-input rate falls back to the listed input rate only in the stated workload estimate.

Inkling

$0.374 per 1M cached input tokens

Inkling-Small

$0.116 per 1M cached input tokens

Documented inputs

Inkling

Not sourced

Inkling-Small

Not sourced

Documented outputs

Inkling

Not sourced

Inkling-Small

Not sourced

Provider availability

Inkling

Not sourced

Inkling-Small

Not sourced

Reasoning profile

Inkling

Hybrid

Inkling-Small

Hybrid

Weight access

Inkling

Open Weight

Inkling-Small

Open Weight

License

Inkling

Open Weight

Inkling-Small

Open Weight

Release date

Inkling

2026-07-15

Inkling-Small

2026-07-30

If you are choosing between sibling variants
Deployment change
Both entries list Thinking Machines Lab as the provider. Confirm endpoint, model ID, limits, and feature support before switching.
Quality signal
At least one model is not scored in the current public ranking lane, so the page does not name an overall quality winner.
Workload cost
Repository review: $0.10754 vs $0.03332. Cache-heavy agent loop: $0.159 vs $0.0492.
Context tradeoff
Both models list 1M.

Run the same representative tasks against both endpoints before changing production traffic.

Benchmark evidence

The full public result ledger is available for audit without forcing a wide desktop table onto a phone.

Browse raw public benchmark evidence20 rows

Agentic

  • Terminal-Bench 2.0

    Inkling63.8%
    Source
    Inkling-Small64.7%
    Source

    Inkling-Small leads this result

  • BrowseComp

    Inkling77.1%
    Source
    Inkling-Small77.4%
    Source

    Inkling-Small leads this result

  • MCP Atlas

    Inkling74.1%
    Source
    Inkling-Small79.6%
    Source

    Inkling-Small leads this result

  • Toolathlon-Verified

    Inkling
    Inkling-Small54.4%
    Source

    Not directly comparable

Coding

  • SWE-bench Verified

    Inkling77.6%
    Source
    Inkling-Small80.2%
    Source

    Inkling-Small leads this result

  • SWE-bench Pro

    Inkling54.3%
    Source
    Inkling-Small55.9%
    Source

    Inkling-Small leads this result

  • Terminal-Bench 2.0

    Inkling63.8%
    Source
    Inkling-Small64.7%
    Source

    Inkling-Small leads this result

  • SciCode

    Inkling
    Inkling-Small48.7%
    Source

    Not directly comparable

Reasoning

  • ARC-AGI-2

    Inkling
    Inkling-Small40.1%
    Source

    Not directly comparable

  • CritPt

    Inkling
    Inkling-Small8.3%
    Source

    Not directly comparable

Knowledge

  • GPQA

    Inkling87.9%
    Source
    Inkling-Small89.5%
    Source

    Inkling-Small leads this result

  • GPQA-D

    Inkling87.9%
    Source
    Inkling-Small89.5%
    Source

    Inkling-Small leads this result

  • HLE

    Inkling46%
    Source
    Inkling-Small47.8%
    Source

    Inkling-Small leads this result

  • HLE w/o tools

    Inkling30%
    Source
    Inkling-Small31.6%
    Source

    Inkling-Small leads this result

Math

  • AIME26

    Inkling97.1%
    Source
    Inkling-Small95.5%
    Source

    Inkling leads this result

  • HMMT Feb 2026

    Inkling
    Inkling-Small90.2%
    Source

    Not directly comparable

Multimodal

  • MMMU-Pro

    Inkling73.5%
    Source
    Inkling-Small74%
    Source

    Inkling-Small leads this result

  • CharXiv

    Inkling82%
    Source
    Inkling-Small81.3%
    Source

    Inkling leads this result

  • CharXiv w/o tools

    Inkling78.1%
    Source
    Inkling-Small77.4%
    Source

    Inkling leads this result

Instruction following

  • IFBench

    Inkling79.8%
    Source
    Inkling-Small82.2%
    Source

    Inkling-Small leads this result

Frequently asked questions

Which is better, Inkling or Inkling-Small?

At least one model is not scored in the current public ranking lane, so the page does not name an overall quality winner. The page therefore keeps the decision tied to the specific documented workload.

Which is better for coding, Inkling or Inkling-Small?

The current coding averages use different weighted benchmark sets, so BenchLM does not name a winner from them. Read the shared benchmark rows directly and test the models on the same task set.

Which is better for agentic tasks, Inkling or Inkling-Small?

Inkling-Small leads the like-for-like agentic tasks comparison across 2 shared weighted benchmark rows.

Which costs less, Inkling or Inkling-Small?

For the stated presets, chat costs $0.00421 on Inkling and $0.0013 on Inkling-Small; repository review costs $0.10754 and $0.03332; the cache-heavy agent loop costs $0.159 and $0.0492. Costs use the listed standard API rates.

Which has the larger context window, Inkling or Inkling-Small?

Both models list the same context window, 1M.

Related comparisons

Last updated July 30, 2026

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