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Data

Gemini 3 Flash vs GLM-5.3-Flash

Updated October 10, 2026. Rank says GLM-5.3-Flash is ahead. Price, access, and your workload can each overturn that. Public scores include evidence status and uncertainty.

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Decision reading

GLM-5.3-Flash has the higher public point estimate, 57.36 versus 54.46. Their conditional score ranges overlap. These ranges do not establish rank confidence. 5 results are shared. Category rows resting on Estimated evidence or different benchmark sets are marked directional and do not name a winner.

Model A
Google logo

Google

54.46/100

Supported · Public rank #67

90% interval 39.6–69.3

Model B
Z.AI logo

Z.AI

57.36/100

Estimated · Public rank #55

Conditional range 47.6–67.1

Shared results
5
Gemini 3 Flash only
6
GLM-5.3-Flash only
16
Like-for-like categories
3 / 8
Supported: Gemini 3 Flash · Estimated: GLM-5.3-Flash. 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.

  • Coding work

    Code generation, repair, and software-engineering tasks

    GLM-5.3-Flash

    GLM-5.3-Flash has the higher public coding point estimate, 49.3 to 33.4, with Supported evidence for both models. The conditional ranges do not establish rank confidence.

    Confidence: limited
  • Agentic work

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

    GLM-5.3-Flash

    GLM-5.3-Flash has the higher public agentic point estimate, 55.7 to 31.4, with Supported evidence for both models. The conditional ranges do not establish rank confidence.

    Confidence: limited
Show secondary and unsupported calls
  • Long documents

    Prompts that approach the documented context limit

    No clear pick

    The documented context windows are equal.

    Confidence: documented
  • 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: listed-rates
  • 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.

33.4Gemini 3 Flash49.3GLM-5.3-Flash

Like-for-like · BenchAlign v5.8

GLM-5.3-Flash 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.

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.

Bars run 0–100 on each benchmark’s normalized display scale

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.

Agentic

Like-for-like
Gemini 3 Flash
31.4
Supported · #85/123
GLM-5.3-Flash
55.7
Supported · #34/123
Basis
BenchAlign v5.8 lane · 4 vs 6 public rows
Reading
GLM-5.3-Flash leads

Coding

Like-for-like
Gemini 3 Flash
33.4
Supported · #83/146
GLM-5.3-Flash
49.3
Supported · #42/146
Basis
BenchAlign v5.8 lane · 3 vs 8 public rows
Reading
GLM-5.3-Flash leads · intervals overlap

Knowledge

Like-for-like
Gemini 3 Flash
55.1
Supported · #58/177
GLM-5.3-Flash
60.5
Supported · #43/177
Basis
BenchAlign v5.8 lane · 2 vs 2 public rows
Reading
GLM-5.3-Flash leads · intervals overlap

Reasoning

Not comparable
Gemini 3 Flash
64.0
Unranked · 2 rankable rows
GLM-5.3-Flash
81.1
#11/28
Basis
Provisional lane · 0 vs 0 weighted rows
Reading
Not comparable

Multimodal

Not comparable
Gemini 3 Flash
80.3
Unranked · 1 rankable row
GLM-5.3-Flash
84.0
#14/54
Basis
Provisional lane · 0 vs 2 weighted rows
Reading
Not comparable

Multilingual

Not comparable
Gemini 3 Flash
Not ranked
GLM-5.3-Flash
Not ranked
Basis
Provisional lane · 0 vs 0 weighted rows
Reading
Not comparable

Instruction following

Not comparable
Gemini 3 Flash
66.1
#70/127
GLM-5.3-Flash
Not ranked
Basis
Provisional lane · 0 vs 0 weighted rows
Reading
Not comparable

Math

Not comparable
Gemini 3 Flash
50.5
Unranked · 2 rankable rows
GLM-5.3-Flash
Not ranked
Basis
Provisional lane · 2 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

Gemini 3 Flash
$0.002
Fits in one request
GLM-5.3-Flash
Self-hosted; infrastructure cost varies
Fits in one request

GLM-5.3-Flash has no comparable published API token rate.

Repository review

50K fresh input + 3K output tokens

Gemini 3 Flash
$0.034
Fits in one request
GLM-5.3-Flash
Self-hosted; infrastructure cost varies
Fits in one request

GLM-5.3-Flash has no comparable published API token rate.

Cache-heavy agent loop

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

Gemini 3 Flash
$0.05
Fits in one request
GLM-5.3-Flash
Self-hosted; infrastructure cost varies
Fits in one request
Cached-input rate unavailable

GLM-5.3-Flash 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.

Cached-input rate

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

Gemini 3 Flash

$0.05 per 1M cached input tokens

Google Gemini API pricing

GLM-5.3-Flash

No comparable hosted API rate

GLM-5.3-Flash model card

Documented inputs

Gemini 3 Flash

Not sourced

GLM-5.3-Flash

Not sourced

Documented outputs

Gemini 3 Flash

Not sourced

GLM-5.3-Flash

Not sourced

Provider availability

Gemini 3 Flash

Not sourced

GLM-5.3-Flash

Not sourced

Reasoning profile

Gemini 3 Flash

Non-Reasoning

GLM-5.3-Flash

Reasoning

Weight access

Gemini 3 Flash

Proprietary

GLM-5.3-Flash

Open Weight

License

Gemini 3 Flash

Proprietary

GLM-5.3-Flash

Open Weight

Release date

Gemini 3 Flash

2025-12-01

GLM-5.3-Flash

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
GLM-5.3-Flash has the higher public point estimate, 57.36 versus 54.46. Their conditional score ranges overlap. These ranges do not establish rank confidence.
Workload cost
A complete comparable API-rate estimate is not available for both models.
Context tradeoff
Both models list 1M.
Run the same representative tasks against both endpoints before changing production traffic.

Questions

Which is better, Gemini 3 Flash or GLM-5.3-Flash?

GLM-5.3-Flash has the higher public point estimate, 57.36 versus 54.46. Their conditional score ranges overlap. These ranges do not establish rank confidence. The page therefore keeps the decision tied to the specific documented workload.

Which is better for coding, Gemini 3 Flash or GLM-5.3-Flash?

GLM-5.3-Flash has the higher public coding point estimate, 49.3 to 33.4, with Supported evidence for both models. The conditional ranges do not establish rank confidence.

Which is better for agentic tasks, Gemini 3 Flash or GLM-5.3-Flash?

GLM-5.3-Flash has the higher public agentic tasks point estimate, 55.7 to 31.4, with Supported evidence for both models. The conditional ranges do not establish rank confidence.

Which costs less, Gemini 3 Flash or GLM-5.3-Flash?

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, Gemini 3 Flash or GLM-5.3-Flash?

Both models list the same context window, 1M.

Benchmark evidence

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

Browse raw public benchmark evidence27 rows

Agentic

  • Claw-Eval

    Gemini 3 Flash49.2%
    Source
    GLM-5.3-Flash—

    Not directly comparable

  • Gert Labs

    Gemini 3 Flash56.63%
    Source
    GLM-5.3-Flash—

    Not directly comparable

  • JobBench

    Gemini 3 Flash11.4%
    Source
    GLM-5.3-Flash—

    Not directly comparable

  • Terminal-Bench 2.1 (Vals)

    Gemini 3 Flash53.9%
    Source
    GLM-5.3-Flash62.9%
    Source

    GLM-5.3-Flash leads this result

  • Terminal-Bench 2.1

    Gemini 3 Flash—
    GLM-5.3-Flash84.3%
    Source

    Not directly comparable

  • Toolathlon-Verified

    Gemini 3 Flash—
    GLM-5.3-Flash78.4%
    Source

    Not directly comparable

  • AutomationBench

    Gemini 3 Flash—
    GLM-5.3-Flash48.8%
    Source

    Not directly comparable

  • Agents' Last Exam

    Gemini 3 Flash—
    GLM-5.3-Flash26.3%
    Source

    Not directly comparable

  • HLE w/ tools

    Gemini 3 Flash—
    GLM-5.3-Flash55.3%
    Source

    Not directly comparable

Coding

  • Vibe Code Bench

    Gemini 3 Flash20.20%
    Source
    GLM-5.3-Flash—

    Not directly comparable

  • LiveCodeBench (Vals)

    Gemini 3 Flash85.6%
    Source
    GLM-5.3-Flash80.5%
    Source

    Gemini 3 Flash leads this result

  • SWE-bench (Vals)

    Gemini 3 Flash75.0%
    Source
    GLM-5.3-Flash92.0%
    Source

    GLM-5.3-Flash leads this result

  • Terminal-Bench 2.1

    Gemini 3 Flash—
    GLM-5.3-Flash84.3%
    Source

    Not directly comparable

  • DeepSWE

    Gemini 3 Flash—
    GLM-5.3-Flash63.4%
    Source

    Not directly comparable

  • NL2Repo

    Gemini 3 Flash—
    GLM-5.3-Flash56.3%
    Source

    Not directly comparable

  • OpenHarmony Bench

    Gemini 3 Flash—
    GLM-5.3-Flash57.3%
    Source

    Not directly comparable

  • FrontierSWE v2

    Gemini 3 Flash—
    GLM-5.3-Flash18.1%
    Source

    Not directly comparable

  • Bug Hunt Bench

    Gemini 3 Flash—
    GLM-5.3-Flash17.7 fixes
    Source

    Not directly comparable

Multimodal

  • OfficeQA Pro

    Gemini 3 Flash—
    GLM-5.3-Flash62.4%
    Source

    Not directly comparable

  • CharXiv

    Gemini 3 Flash—
    GLM-5.3-Flash89.4%
    Source

    Not directly comparable

  • Chartography (tools)

    Gemini 3 Flash—
    GLM-5.3-Flash78.0%
    Source

    Not directly comparable

  • BabyVision

    Gemini 3 Flash—
    GLM-5.3-Flash53.4%
    Source

    Not directly comparable

  • MMVU

    Gemini 3 Flash—
    GLM-5.3-Flash80.5%
    Source

    Not directly comparable

Knowledge

  • GPQA Diamond (Vals)

    Gemini 3 Flash87.9%
    Source
    GLM-5.3-Flash86.4%
    Source

    Gemini 3 Flash leads this result

  • MMLU-Pro (Vals)

    Gemini 3 Flash88.6%
    Source
    GLM-5.3-Flash86.1%
    Source

    Gemini 3 Flash leads this result

Math

  • FrontierMath v2 (Tiers 1-3)

    Gemini 3 Flash35.640%
    Source
    GLM-5.3-Flash—

    Not directly comparable

  • FrontierMath v2 (Tier 4)

    Gemini 3 Flash4.167%
    Source
    GLM-5.3-Flash—

    Not directly comparable

27 public results · 5 shared

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Last updated October 10, 2026