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Model comparison

Inkling-Small vs Qwen3.5 397B (Reasoning)

Updated July 30, 2026. Public scores include evidence status and uncertainty. They are not guarantees for a specific workload.

Inkling-Small

Thinking Machines Lab

—

Evidence status unavailable

90% interval unavailable

Qwen3.5 397B (Reasoning)

Alibaba

—

Evidence status unavailable

90% interval unavailable

The public evidence has no benchmark result shared by both models, so it does not support a quality verdict. Use the documented cost, context, and runtime rows instead.

0 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.

  • Long documents

    Prompts that approach the documented context limit

    Inkling-Small

    Inkling-Small has the larger documented context window.

    Confidence: documented

  • 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

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

    No shared weighted benchmark basis supports a winner.

    Confidence: limited

  • Agentic work

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

    Not enough matched evidence

    No shared weighted benchmark basis supports a winner.

    Confidence: limited

  • Cache-heavy agent loop cost

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

    Not enough matched evidence

    The page does not recommend a cost winner because at least one model cannot fit the stated workload in one request. Qwen3.5 397B (Reasoning) does not fit this workload in one request. Qwen3.5 397B (Reasoning) has no published cached-input rate, so cached tokens use its listed input rate.

    Confidence: rate-fallback

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
0
Inkling-Small only
20
Qwen3.5 397B (Reasoning) only
0
Like-for-like categories
0 / 8

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

Not comparable
Inkling-Small
70.1
Qwen3.5 397B (Reasoning)
Not measured
Weighted basis
2 vs 0 rows
Reading
Not comparable

Coding

Not comparable
Inkling-Small
62.4
Qwen3.5 397B (Reasoning)
Not measured
Weighted basis
3 vs 0 rows
Reading
Not comparable

Reasoning

Not comparable
Inkling-Small
40.1
Qwen3.5 397B (Reasoning)
Not measured
Weighted basis
1 vs 0 rows
Reading
Not comparable

Knowledge

Not comparable
Inkling-Small
53.4
Qwen3.5 397B (Reasoning)
Not measured
Weighted basis
2 vs 0 rows
Reading
Not comparable

Math

Not comparable
Inkling-Small
92.9
Qwen3.5 397B (Reasoning)
Not measured
Weighted basis
2 vs 0 rows
Reading
Not comparable

Multilingual

Not comparable
Inkling-Small
Not measured
Qwen3.5 397B (Reasoning)
Not measured
Weighted basis
0 vs 0 rows
Reading
Not comparable

Multimodal

Not comparable
Inkling-Small
76.6
Qwen3.5 397B (Reasoning)
Not measured
Weighted basis
2 vs 0 rows
Reading
Not comparable

Instruction following

Not comparable
Inkling-Small
82.2
Qwen3.5 397B (Reasoning)
Not measured
Weighted basis
1 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.

A shared-evidence shape is not available.

BenchLM does not draw a radar or infer missing axes when the matched evidence is too sparse.

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-Small
$0.0013
Fits in one request
Qwen3.5 397B (Reasoning)
$0.0024
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-Small
$0.03332
Fits in one request
Qwen3.5 397B (Reasoning)
$0.0408
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-Small
$0.0492
Fits in one request
Qwen3.5 397B (Reasoning)
$0.168
Does not fit in one request
Cached input priced at the published list-input rate

Qwen3.5 397B (Reasoning) does not fit this workload in one request. Qwen3.5 397B (Reasoning) has no published cached-input rate, so cached tokens use its listed input rate.

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-Small

1M

Qwen3.5 397B (Reasoning)

128K

API model ID

Inkling-Small

Not sourced

Qwen3.5 397B (Reasoning)

Not sourced

Cached-input rate

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

Inkling-Small

$0.116 per 1M cached input tokens

Qwen3.5 397B (Reasoning)

Not published

Documented inputs

Inkling-Small

Not sourced

Qwen3.5 397B (Reasoning)

Not sourced

Documented outputs

Inkling-Small

Not sourced

Qwen3.5 397B (Reasoning)

Not sourced

Provider availability

Inkling-Small

Not sourced

Qwen3.5 397B (Reasoning)

Not sourced

Reasoning profile

Inkling-Small

Hybrid

Qwen3.5 397B (Reasoning)

Reasoning

Weight access

Inkling-Small

Open Weight

Qwen3.5 397B (Reasoning)

Open Weight

License

Inkling-Small

Open Weight

Qwen3.5 397B (Reasoning)

Open Weight

Release date

Inkling-Small

2026-07-30

Qwen3.5 397B (Reasoning)

2026-02-16

If you already use one of these models
Deployment change
The models list different providers, so authentication, endpoint behavior, limits, and feature support may change.
Quality signal
The public evidence has no benchmark result shared by both models, so it does not support a quality verdict.
Workload cost
Repository review: $0.03332 vs $0.0408. Cache-heavy agent loop: $0.0492 vs $0.168.
Context tradeoff
Inkling-Small has the larger documented window (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

    Inkling-Small64.7%
    Source
    Qwen3.5 397B (Reasoning)—

    Not directly comparable

  • BrowseComp

    Inkling-Small77.4%
    Source
    Qwen3.5 397B (Reasoning)—

    Not directly comparable

  • MCP Atlas

    Inkling-Small79.6%
    Source
    Qwen3.5 397B (Reasoning)—

    Not directly comparable

  • Toolathlon-Verified

    Inkling-Small54.4%
    Source
    Qwen3.5 397B (Reasoning)—

    Not directly comparable

Coding

  • SWE-bench Verified

    Inkling-Small80.2%
    Source
    Qwen3.5 397B (Reasoning)—

    Not directly comparable

  • SWE-bench Pro

    Inkling-Small55.9%
    Source
    Qwen3.5 397B (Reasoning)—

    Not directly comparable

  • Terminal-Bench 2.0

    Inkling-Small64.7%
    Source
    Qwen3.5 397B (Reasoning)—

    Not directly comparable

  • SciCode

    Inkling-Small48.7%
    Source
    Qwen3.5 397B (Reasoning)—

    Not directly comparable

Reasoning

  • ARC-AGI-2

    Inkling-Small40.1%
    Source
    Qwen3.5 397B (Reasoning)—

    Not directly comparable

  • CritPt

    Inkling-Small8.3%
    Source
    Qwen3.5 397B (Reasoning)—

    Not directly comparable

Knowledge

  • GPQA

    Inkling-Small89.5%
    Source
    Qwen3.5 397B (Reasoning)—

    Not directly comparable

  • GPQA-D

    Inkling-Small89.5%
    Source
    Qwen3.5 397B (Reasoning)—

    Not directly comparable

  • HLE

    Inkling-Small47.8%
    Source
    Qwen3.5 397B (Reasoning)—

    Not directly comparable

  • HLE w/o tools

    Inkling-Small31.6%
    Source
    Qwen3.5 397B (Reasoning)—

    Not directly comparable

Math

  • AIME26

    Inkling-Small95.5%
    Source
    Qwen3.5 397B (Reasoning)—

    Not directly comparable

  • HMMT Feb 2026

    Inkling-Small90.2%
    Source
    Qwen3.5 397B (Reasoning)—

    Not directly comparable

Multimodal

  • MMMU-Pro

    Inkling-Small74%
    Source
    Qwen3.5 397B (Reasoning)—

    Not directly comparable

  • CharXiv

    Inkling-Small81.3%
    Source
    Qwen3.5 397B (Reasoning)—

    Not directly comparable

  • CharXiv w/o tools

    Inkling-Small77.4%
    Source
    Qwen3.5 397B (Reasoning)—

    Not directly comparable

Instruction following

  • IFBench

    Inkling-Small82.2%
    Source
    Qwen3.5 397B (Reasoning)—

    Not directly comparable

Frequently asked questions

Which is better, Inkling-Small or Qwen3.5 397B (Reasoning)?

The public evidence has no benchmark result shared by both models, so it does not support a quality verdict. The page therefore keeps the decision tied to the specific documented workload.

Which is better for coding, Inkling-Small or Qwen3.5 397B (Reasoning)?

The published evidence does not provide a shared weighted coding basis for both models, so BenchLM does not name a coding winner.

Which is better for agentic tasks, Inkling-Small or Qwen3.5 397B (Reasoning)?

The published evidence does not provide a shared weighted agentic tasks basis for both models, so BenchLM does not name a agentic tasks winner.

Which costs less, Inkling-Small or Qwen3.5 397B (Reasoning)?

For the stated presets, chat costs $0.0013 on Inkling-Small and $0.0024 on Qwen3.5 397B (Reasoning); repository review costs $0.03332 and $0.0408; the cache-heavy agent loop costs $0.0492 and $0.168. Qwen3.5 397B (Reasoning) does not fit this workload in one request. Qwen3.5 397B (Reasoning) has no published cached-input rate, so cached tokens use its listed input rate.

Which has the larger context window, Inkling-Small or Qwen3.5 397B (Reasoning)?

Inkling-Small has the larger documented context window: 1M, compared with 128K.

Related comparisons

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Last updated July 30, 2026

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