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Data

Mistral Medium 3.5 128B vs Qwen3.8-Flash-Next

Updated October 10, 2026. Rank says Qwen3.8-Flash-Next is ahead. Price, access, and your workload can each overturn that. Public scores include evidence status and uncertainty.

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Decision reading

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 resting on Estimated evidence or different benchmark sets are marked directional and do not name a winner.

Model A
Mistral logo

Mistral

34.72/100

Estimated · Public rank #155

Conditional range 20.4–49.1

Model B
Alibaba logo

Alibaba

64.23/100

Estimated · Public rank #37

Conditional range 49.9–78.6

Shared results
0
Mistral Medium 3.5 128B only
7
Qwen3.8-Flash-Next only
24
Like-for-like categories
1 / 8
Estimated: Mistral Medium 3.5 128B and Qwen3.8-Flash-Next. Conditional ranges do not establish rank confidence.How the comparison works

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

    Qwen3.8-Flash-Next

    Qwen3.8-Flash-Next has the larger documented context window.

    Confidence: documented
Show secondary and unsupported calls
  • Coding work

    Code generation, repair, and software-engineering tasks

    Not enough matched evidence

    Mistral Medium 3.5 128B is scored on Estimated evidence for coding, so the reading is directional rather than like-for-like.

    Confidence: limited
  • Agentic work

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

    Not enough matched evidence

    Qwen3.8-Flash-Next is scored on Estimated evidence for agentic, so the reading is directional rather than like-for-like.

    Confidence: limited
  • Chat turn cost

    1K fresh input + 500 output tokens

    Not enough matched evidence

    A complete comparable API-rate estimate is not available for both models.

    Confidence: listed-rates
  • Cache-heavy agent loop cost

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

    Not enough matched evidence

    A complete comparable API-rate estimate is not available for both models.

    Confidence: rate-fallback
  • Repository review cost

    50K fresh input + 3K output tokens

    Not enough matched evidence

    A complete comparable API-rate estimate is not available for both models.

    Confidence: listed-rates

Which one for a specific job

Choose a job from the LLM Selector's task catalog to see the category row it rests on, under the same basis rules as the table below. A directional row stays directional; choosing a job never creates a winner.

The same task catalog as the LLM Selector. Each job names the evidence surface it rests on; nothing here adds a new score.

23.6Mistral Medium 3.5 128B52.4Qwen3.8-Flash-Next

Directional only · BenchAlign v5.8

Qwen3.8-Flash-Next has the higher coding point estimate. Conditional score ranges do not establish rank confidence.

Coding scores combine specific tasks and setups. Match the editor, harness, and effort to your workflow.

Same basis rules as the category table below

What is actually comparable

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

3 categories rest on Estimated evidence or different evidence sets. Those rows remain visible for coverage context but do not name a winner.

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.

Category results, on a stated basis

Each row shows the public-lane category score for both models: the BenchAlign v5.8 lane for agentic, coding, and knowledge, and the weighted public rows elsewhere, with the same rank each model page reports. A row is like-for-like only when both scores rest on Supported evidence or the same weighted set. Directional and not-comparable rows remain visible, but they never receive a winner.

Knowledge

Like-for-like
Mistral Medium 3.5 128B
31.9
Supported · #139/177
Qwen3.8-Flash-Next
59.4
Supported · #47/177
Basis
BenchAlign v5.8 lane · 2 vs 4 public rows
Reading
Qwen3.8-Flash-Next leads

Agentic

Directional only
Mistral Medium 3.5 128B
19.2
Supported · #103/123
Qwen3.8-Flash-Next
59.5
Estimated · #24/123
Basis
BenchAlign v5.8 lane · 3 vs 6 public rows
Reading
Directional only

Coding

Directional only
Mistral Medium 3.5 128B
23.6
Estimated · #110/146
Qwen3.8-Flash-Next
52.4
Supported · #37/146
Basis
BenchAlign v5.8 lane · 2 vs 5 public rows
Reading
Directional only

Instruction following

Directional only
Mistral Medium 3.5 128B
84.0
#50/127
Qwen3.8-Flash-Next
91.2
#22/127
Basis
Provisional lane · 0 vs 1 weighted rows
Reading
Directional only

Reasoning

Not comparable
Mistral Medium 3.5 128B
73.7
Unranked · 2 rankable rows
Qwen3.8-Flash-Next
80.9
Unranked · 2 rankable rows
Basis
Provisional lane · 0 vs 0 weighted rows
Reading
Not comparable

Multimodal

Not comparable
Mistral Medium 3.5 128B
60.1
Unranked · 1 rankable row
Qwen3.8-Flash-Next
87.7
#8/54
Basis
Provisional lane · 0 vs 1 weighted rows
Reading
Not comparable

Multilingual

Not comparable
Mistral Medium 3.5 128B
Not ranked
Qwen3.8-Flash-Next
Not ranked
Basis
Provisional lane · 0 vs 0 weighted rows
Reading
Not comparable

Math

Not comparable
Mistral Medium 3.5 128B
Not ranked
Qwen3.8-Flash-Next
Not ranked
Basis
Provisional lane · 0 vs 0 weighted rows
Reading
Not comparable

Ranks count the models scored in each category’s lane, so the agentic, coding, and knowledge denominators (BenchAlign v5.8) differ from the provisional-lane categories. Unranked scores sit on the provisional lane’s scale but never name a winner. Like-for-like rows within 0.5 points read as a practical tie.

Supported evidence per lane · bars run 0–100Methodology

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

Mistral Medium 3.5 128B
$0.00525
Fits in one request
Qwen3.8-Flash-Next
Self-hosted; infrastructure cost varies
Fits in one request

Qwen3.8-Flash-Next has no comparable published API token rate.

Repository review

50K fresh input + 3K output tokens

Mistral Medium 3.5 128B
$0.0975
Fits in one request
Qwen3.8-Flash-Next
Self-hosted; infrastructure cost varies
Fits in one request

Qwen3.8-Flash-Next has no comparable published API token rate.

Cache-heavy agent loop

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

Mistral Medium 3.5 128B
$0.405
Fits in one request
Cached input priced at the published list-input rate
Qwen3.8-Flash-Next
Self-hosted; infrastructure cost varies
Fits in one request
Cached-input rate unavailable

Mistral Medium 3.5 128B has no published cached-input rate, so cached tokens use its listed input rate. Qwen3.8-Flash-Next has no comparable published API token rate.

Cached input falls back to the list input rate only where a cached rate is unpublished

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.

Mistral Medium 3.5 128B

256K

Qwen3.8-Flash-Next

Cached-input rate

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

Mistral Medium 3.5 128B

Not published

Qwen3.8-Flash-Next

No comparable hosted API rate

Qwen3.8-Flash-Next model card

Documented inputs

Mistral Medium 3.5 128B

Not sourced

Qwen3.8-Flash-Next

Not sourced

Documented outputs

Mistral Medium 3.5 128B

Not sourced

Qwen3.8-Flash-Next

Not sourced

Provider availability

Mistral Medium 3.5 128B

Not sourced

Qwen3.8-Flash-Next

Not sourced

Reasoning profile

Mistral Medium 3.5 128B

Reasoning

Qwen3.8-Flash-Next

Reasoning

Weight access

Mistral Medium 3.5 128B

Open Weight

Qwen3.8-Flash-Next

Open Weight

License

Mistral Medium 3.5 128B

Open Weight

Qwen3.8-Flash-Next

Open Weight

Release date

Mistral Medium 3.5 128B

2026-04-29

Qwen3.8-Flash-Next

2026-08-26

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
A complete comparable API-rate estimate is not available for both models.
Context tradeoff
Qwen3.8-Flash-Next has the larger documented window (262K).
Run the same representative tasks against both endpoints before changing production traffic.

Questions

Which is better, Mistral Medium 3.5 128B or Qwen3.8-Flash-Next?

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, Mistral Medium 3.5 128B or Qwen3.8-Flash-Next?

Qwen3.8-Flash-Next scores higher for coding on the public lane, 52.4 to 23.6. Mistral Medium 3.5 128B is scored on Estimated evidence for coding, so the reading is directional rather than like-for-like. BenchLM does not name a winner for coding from a directional reading; read the shared benchmark rows directly and test the models on the same task set.

Which is better for agentic tasks, Mistral Medium 3.5 128B or Qwen3.8-Flash-Next?

Qwen3.8-Flash-Next scores higher for agentic tasks on the public lane, 59.5 to 19.2. Qwen3.8-Flash-Next is scored on Estimated evidence for agentic tasks, so the reading is directional rather than like-for-like. BenchLM does not name a winner for agentic tasks from a directional reading; read the shared benchmark rows directly and test the models on the same task set.

Which costs less, Mistral Medium 3.5 128B or Qwen3.8-Flash-Next?

Both models do not have comparable published API token rates, so this page does not name a universal price winner.

Which has the larger context window, Mistral Medium 3.5 128B or Qwen3.8-Flash-Next?

Qwen3.8-Flash-Next has the larger documented context window: 262K, compared with 256K.

Benchmark evidence

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

Browse raw public benchmark evidence31 rows

Agentic

  • τ³-bench results

    Mistral Medium 3.5 128B91.4%
    Source
    Qwen3.8-Flash-Next—

    Not directly comparable

  • Gert Labs

    Mistral Medium 3.5 128B39.10%
    Source
    Qwen3.8-Flash-Next—

    Not directly comparable

  • Terminal-Bench 2.1 (Vals)

    Mistral Medium 3.5 128B39.0%
    Source
    Qwen3.8-Flash-Next—

    Not directly comparable

  • CoWorkBench

    Mistral Medium 3.5 128B—
    Qwen3.8-Flash-Next73.9%
    Source

    Not directly comparable

  • JobBench

    Mistral Medium 3.5 128B—
    Qwen3.8-Flash-Next55.7%
    Source

    Not directly comparable

  • Agents' Last Exam

    Mistral Medium 3.5 128B—
    Qwen3.8-Flash-Next51.2%
    Source

    Not directly comparable

  • Toolathlon-Verified

    Mistral Medium 3.5 128B—
    Qwen3.8-Flash-Next73.5%
    Source

    Not directly comparable

  • AndroidWorld

    Mistral Medium 3.5 128B—
    Qwen3.8-Flash-Next84.5%
    Source

    Not directly comparable

  • OSWorld 2.0

    Mistral Medium 3.5 128B—
    Qwen3.8-Flash-Next19.4%
    Source

    Not directly comparable

Coding

  • SWE-bench Verified

    Mistral Medium 3.5 128B77.6%
    Source
    Qwen3.8-Flash-Next—

    Not directly comparable

  • SWE-bench (Vals)

    Mistral Medium 3.5 128B66.4%
    Source
    Qwen3.8-Flash-Next—

    Not directly comparable

  • SWE-bench Pro

    Mistral Medium 3.5 128B—
    Qwen3.8-Flash-Next62.5%
    Source

    Not directly comparable

  • SWE Multilingual

    Mistral Medium 3.5 128B—
    Qwen3.8-Flash-Next81%
    Source

    Not directly comparable

  • NL2Repo

    Mistral Medium 3.5 128B—
    Qwen3.8-Flash-Next48.1%
    Source

    Not directly comparable

  • DeepSWE

    Mistral Medium 3.5 128B—
    Qwen3.8-Flash-Next58.7%
    Source

    Not directly comparable

  • LiveCodeBench v6

    Mistral Medium 3.5 128B—
    Qwen3.8-Flash-Next91.9%
    Source

    Not directly comparable

Multimodal

  • Vision2Web

    Mistral Medium 3.5 128B—
    Qwen3.8-Flash-Next64.0%
    Source

    Not directly comparable

  • ERQA

    Mistral Medium 3.5 128B—
    Qwen3.8-Flash-Next72.3%
    Source

    Not directly comparable

  • LVBench

    Mistral Medium 3.5 128B—
    Qwen3.8-Flash-Next76.6%
    Source

    Not directly comparable

  • RealWorldQA

    Mistral Medium 3.5 128B—
    Qwen3.8-Flash-Next88.5%
    Source

    Not directly comparable

  • MathVision

    Mistral Medium 3.5 128B—
    Qwen3.8-Flash-Next90.6%
    Source

    Not directly comparable

  • MathVision w/ Python

    Mistral Medium 3.5 128B—
    Qwen3.8-Flash-Next95.7%
    Source

    Not directly comparable

  • CharXiv w/o tools

    Mistral Medium 3.5 128B—
    Qwen3.8-Flash-Next84.6%
    Source

    Not directly comparable

  • CharXiv

    Mistral Medium 3.5 128B—
    Qwen3.8-Flash-Next90.6%
    Source

    Not directly comparable

Knowledge

  • GPQA Diamond (Vals)

    Mistral Medium 3.5 128B34.8%
    Source
    Qwen3.8-Flash-Next—

    Not directly comparable

  • MMLU-Pro (Vals)

    Mistral Medium 3.5 128B75.3%
    Source
    Qwen3.8-Flash-Next—

    Not directly comparable

  • GPQA

    Mistral Medium 3.5 128B—
    Qwen3.8-Flash-Next91.7%
    Source

    Not directly comparable

  • GPQA-D

    Mistral Medium 3.5 128B—
    Qwen3.8-Flash-Next91.7%
    Source

    Not directly comparable

  • HLE

    Mistral Medium 3.5 128B—
    Qwen3.8-Flash-Next35.9%
    Source

    Not directly comparable

  • HLE w/o tools

    Mistral Medium 3.5 128B—
    Qwen3.8-Flash-Next35.9%
    Source

    Not directly comparable

Instruction following

  • IFBench

    Mistral Medium 3.5 128B—
    Qwen3.8-Flash-Next81.3%
    Source

    Not directly comparable

31 public results · 0 shared

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Last updated October 10, 2026