Model profile / Google

Gemma 4 26B A4B

Google's open-weight Gemma 4 26B A4B instruction model, with 25.2B total and 3.8B active parameters, 256K context, image input, configurable thinking and Apache-2.0 licensing.

2 Apr 2026Open weightsProvider

Sources & details

Four areas of evidence

The capabilities behind the model.

How the indices work

Reasoning

105.2Index points

Mathematical and scientific problem solving.

This model│ Other models · 155 rated

Score and research range

Full-precision point: 105.15731858709346
Range: 102.54–107.78 · 90% Research Range
Scope: Conditional fuller R0 A

Score includes qualified prediction of missing evidence.

Coding

No current rating

Software engineering and programming.

Awaiting a qualified category score

General

No current rating

Factual reliability and instruction following.

Awaiting a qualified category score

Agentic

No current rating

Tool use, workflows and professional tasks.

Awaiting a qualified category score

5retained native records

5evidence families

Capabilities estimateQualified original evidence across four areas.

Current index snapshot · 2026-09-16. Each category uses its own scale; scores across categories are not directly comparable. Evidence counts describe the retained Capabilities inputs; a family can contain several tasks or configurations. A point lead does not establish superiority.

Performance in context

Capabilities, price & speed.

Explore every model

Gemma 4 26B A4B is highlighted wherever a compatible measurement is available.

Gemma 4 26B A4B: Open-weight Gemma checkpoint has no native Gemini API token-price row; hosted alternatives excluded

Lumina Capabilities Index

Capabilities versus API price

The current Capabilities cohort, with this model highlighted.

Lumina

2025+ · 62 models · 1 highlighted

Chart loads as you explore

Gemma 4 26B A4B: No exact base-profile release and documented 10K output measurement; other effort/protocol/alias records not substituted

Lumina Capabilities Index

Capabilities versus output speed

The current Capabilities cohort, with this model highlighted.

Lumina

2025+ · 72 models · Developer API · 10K · 1 highlighted

Chart loads as you explore

Explore the detail

Sources & model details.

Original evidence, with its context.

Current index evidence 2Scores, research ranges and the sources behind each category.

Capabilities

Score uses the admitted direct native evidence under the selected method.

Exact checkpoint: gemma-4-26b-a4b
Method: methods-a4471cee84fd478d2ed3
Range interpretation: C1 native factor under conditional crossed source/family reweighting of admitted fixed-corpus reference and own portfolio
Sources: Artificial Analysis:Artificial Analysis
Source cutoff: {"asOfMeaning":"Selected local candidate: retained historical measurements plus reviewed additions; execution dates remain source-native.","newIdentityRecovery":"2026-09-13T08:41:08.804270+00:00","publicProjectionDate":"2026-09-16T06:02:45.491398+00:00","scoring":"Inherited pinned baseline source vintages plus retained4A/4A.1 originals and SWE owner correction; heterogeneous execution dates, often unknown. Not a claim of simultaneous2026-09-13 execution."}

Explore this index

Reasoning

Score includes qualified prediction of missing evidence.

Exact checkpoint: gemma-4-26b-a4b
Method: methods-a4471cee84fd478d2ed3
Range interpretation: Conditional fuller R0 A
Sources: aa
Source cutoff: {"asOfMeaning":"Selected local candidate: retained historical measurements plus reviewed additions; execution dates remain source-native.","newIdentityRecovery":"2026-09-13T08:41:08.804270+00:00","publicProjectionDate":"2026-09-16T06:02:45.491398+00:00","scoring":"Inherited pinned baseline source vintages plus retained4A/4A.1 originals and SWE owner correction; heterogeneous execution dates, often unknown. Not a claim of simultaneous2026-09-13 execution."}

Explore this index

Benchmark measurements 62Published values in each benchmark’s own units.

62 measurements

Gemma 4 26B A4B published benchmark measurements
Benchmark	Result	Published configuration	Source
AA Long Context Reasoningstandard	61.667%	Gemma 4 26B A4B (Reasoning) (Artificial Analysis completed independent run)Artificial Analysis AA-LCR evaluation	Gemma 4 26B A4B (Reasoning) current model and individual-evaluation page ↗Observed 2026-08-29 · checked 2026-08-29independently-verified · ranking-eligible
CritPtstandard	0%	Gemma 4 26B A4B (Reasoning) (Artificial Analysis completed independent run)Artificial Analysis CritPt evaluation	Gemma 4 26B A4B (Reasoning) current model and individual-evaluation page ↗Observed 2026-08-29 · checked 2026-08-29independently-verified · ranking-eligible
GDPval-AA v2v2	13.462%	Gemma 4 26B A4B (Reasoning) (Artificial Analysis completed independent run)Artificial Analysis GDPval-AA v2	Gemma 4 26B A4B (Reasoning) current model and individual-evaluation page ↗Observed 2026-08-29 · checked 2026-08-29independently-verified · ranking-eligible
GPQA Diamonddiamond	79.192%	Gemma 4 26B A4B (Reasoning) (Artificial Analysis completed independent run)Artificial Analysis GPQA Diamond evaluation	Gemma 4 26B A4B (Reasoning) current model and individual-evaluation page ↗Observed 2026-08-29 · checked 2026-08-29independently-verified · ranking-eligible
Humanity's Last Examtext-only current	19.323%	Gemma 4 26B A4B (Reasoning) (Artificial Analysis completed independent run)Artificial Analysis text-only HLE evaluation	Gemma 4 26B A4B (Reasoning) current model and individual-evaluation page ↗Observed 2026-08-29 · checked 2026-08-29independently-verified · ranking-eligible
SciCode2024	40.046%	Gemma 4 26B A4B (Reasoning) (Artificial Analysis completed independent run)Artificial Analysis SciCode evaluation	Gemma 4 26B A4B (Reasoning) current model and individual-evaluation page ↗Observed 2026-08-29 · checked 2026-08-29independently-verified · reference-only
τ³-Banking3	11.959%	Gemma 4 26B A4B (Reasoning) (Artificial Analysis completed independent run)Artificial Analysis tau3-Banking evaluation	Gemma 4 26B A4B (Reasoning) current model and individual-evaluation page ↗Observed 2026-08-29 · checked 2026-08-29independently-verified · ranking-eligible
Terminal-Bench2.1	38.951%	Gemma 4 26B A4B (Reasoning) (Artificial Analysis completed independent run)Artificial Analysis Terminal-Bench v2.1 in e2b	Gemma 4 26B A4B (Reasoning) current model and individual-evaluation page ↗Observed 2026-08-29 · checked 2026-08-29independently-verified · ranking-eligible
Artificial Analysis Agentic Index2026	10.97 index	Exact BenchLM registry variant Gemma 4 26B A4B; bulk export does not retain a complete upstream harness configuration.Source-native system	BenchLM public datasets — 21 July 2026 ↗Observed 2026-07-21 · checked 2026-07-21source-checked · reference-only
Artificial Analysis Agentic Index2026	10.97 index	Exact BenchLM registry variant Gemma 4 26B A4B; bulk export does not retain a complete upstream harness configuration.Source-native system	BenchLM public datasets — 2026-07-27 ↗Observed 2026-07-27 · checked 2026-07-27source-checked · reference-only

Showing 10 of 62 measurements

Specifications & source recordsDocumented model details and original references.

Model ID / checkpoint: google/gemma-4-26b-a4b-it
Weight access: Open weights
Context window: 256,000
Maximum output: Not documented
Modalities: text, image
Details checked: 29 Aug 2026

Artificial Analysis LLM data API — 2026-07-27Artificial Analysis · Published 27 Jul 2026 · checked 27 Jul 2026 · source-checked BenchLM public datasets — 21 July 2026BenchLM · Published 21 Jul 2026 · checked 21 Jul 2026 · source-checked BenchLM public datasets — 2026-07-27BenchLM · Published 27 Jul 2026 · checked 27 Jul 2026 · source-checked BenchLM public datasets — 2026-08-01BenchLM · Published 1 Aug 2026 · checked 1 Aug 2026 · source-checked Gemma 4 26B A4B official model cardGoogle · Published 2 Apr 2026 · checked 29 Aug 2026 · source-checked Gemma 4 26B A4B (Reasoning) current model and individual-evaluation pageArtificial Analysis · Published 2 Apr 2026 · checked 29 Aug 2026 · source-checked

Specialist task evidenceSeparate agent runs and execution conditions.

No specialist task observations retained for this model.

All models

Model profile / Google

Gemma 4 26B A4B

Google's open-weight Gemma 4 26B A4B instruction model, with 25.2B total and 3.8B active parameters, 256K context, image input, configurable thinking and Apache-2.0 licensing.

2 Apr 2026Open weightsProvider

Sources & details

Four areas of evidence

The capabilities behind the model.

How the indices work

Reasoning

105.2Index points

Mathematical and scientific problem solving.

This model│ Other models · 155 rated

Score and research range

Full-precision point: 105.15731858709346
Range: 102.54–107.78 · 90% Research Range
Scope: Conditional fuller R0 A

Score includes qualified prediction of missing evidence.

Coding

No current rating

Software engineering and programming.

Awaiting a qualified category score

General

No current rating

Factual reliability and instruction following.

Awaiting a qualified category score

Agentic

No current rating

Tool use, workflows and professional tasks.

Awaiting a qualified category score

5retained native records

5evidence families

Capabilities estimateQualified original evidence across four areas.

Performance in context

Capabilities, price & speed.

Explore every model

Gemma 4 26B A4B is highlighted wherever a compatible measurement is available.

Gemma 4 26B A4B: Open-weight Gemma checkpoint has no native Gemini API token-price row; hosted alternatives excluded

Lumina Capabilities Index

Capabilities versus API price

The current Capabilities cohort, with this model highlighted.

Lumina

2025+ · 62 models · 1 highlighted

Chart loads as you explore

Gemma 4 26B A4B: No exact base-profile release and documented 10K output measurement; other effort/protocol/alias records not substituted

Lumina Capabilities Index

Capabilities versus output speed

The current Capabilities cohort, with this model highlighted.

Lumina

2025+ · 72 models · Developer API · 10K · 1 highlighted

Chart loads as you explore

Explore the detail

Sources & model details.

Original evidence, with its context.

Current index evidence 2Scores, research ranges and the sources behind each category.

Capabilities

Score uses the admitted direct native evidence under the selected method.

Exact checkpoint: gemma-4-26b-a4b
Method: methods-a4471cee84fd478d2ed3
Range interpretation: C1 native factor under conditional crossed source/family reweighting of admitted fixed-corpus reference and own portfolio
Sources: Artificial Analysis:Artificial Analysis
Source cutoff: {"asOfMeaning":"Selected local candidate: retained historical measurements plus reviewed additions; execution dates remain source-native.","newIdentityRecovery":"2026-09-13T08:41:08.804270+00:00","publicProjectionDate":"2026-09-16T06:02:45.491398+00:00","scoring":"Inherited pinned baseline source vintages plus retained4A/4A.1 originals and SWE owner correction; heterogeneous execution dates, often unknown. Not a claim of simultaneous2026-09-13 execution."}

Explore this index

Reasoning

Score includes qualified prediction of missing evidence.

Exact checkpoint: gemma-4-26b-a4b
Method: methods-a4471cee84fd478d2ed3
Range interpretation: Conditional fuller R0 A
Sources: aa
Source cutoff: {"asOfMeaning":"Selected local candidate: retained historical measurements plus reviewed additions; execution dates remain source-native.","newIdentityRecovery":"2026-09-13T08:41:08.804270+00:00","publicProjectionDate":"2026-09-16T06:02:45.491398+00:00","scoring":"Inherited pinned baseline source vintages plus retained4A/4A.1 originals and SWE owner correction; heterogeneous execution dates, often unknown. Not a claim of simultaneous2026-09-13 execution."}

Explore this index

Benchmark measurements 62Published values in each benchmark’s own units.

62 measurements

Gemma 4 26B A4B published benchmark measurements
Benchmark	Result	Published configuration	Source
AA Long Context Reasoningstandard	61.667%	Gemma 4 26B A4B (Reasoning) (Artificial Analysis completed independent run)Artificial Analysis AA-LCR evaluation	Gemma 4 26B A4B (Reasoning) current model and individual-evaluation page ↗Observed 2026-08-29 · checked 2026-08-29independently-verified · ranking-eligible
CritPtstandard	0%	Gemma 4 26B A4B (Reasoning) (Artificial Analysis completed independent run)Artificial Analysis CritPt evaluation	Gemma 4 26B A4B (Reasoning) current model and individual-evaluation page ↗Observed 2026-08-29 · checked 2026-08-29independently-verified · ranking-eligible
GDPval-AA v2v2	13.462%	Gemma 4 26B A4B (Reasoning) (Artificial Analysis completed independent run)Artificial Analysis GDPval-AA v2	Gemma 4 26B A4B (Reasoning) current model and individual-evaluation page ↗Observed 2026-08-29 · checked 2026-08-29independently-verified · ranking-eligible
GPQA Diamonddiamond	79.192%	Gemma 4 26B A4B (Reasoning) (Artificial Analysis completed independent run)Artificial Analysis GPQA Diamond evaluation	Gemma 4 26B A4B (Reasoning) current model and individual-evaluation page ↗Observed 2026-08-29 · checked 2026-08-29independently-verified · ranking-eligible
Humanity's Last Examtext-only current	19.323%	Gemma 4 26B A4B (Reasoning) (Artificial Analysis completed independent run)Artificial Analysis text-only HLE evaluation	Gemma 4 26B A4B (Reasoning) current model and individual-evaluation page ↗Observed 2026-08-29 · checked 2026-08-29independently-verified · ranking-eligible
SciCode2024	40.046%	Gemma 4 26B A4B (Reasoning) (Artificial Analysis completed independent run)Artificial Analysis SciCode evaluation	Gemma 4 26B A4B (Reasoning) current model and individual-evaluation page ↗Observed 2026-08-29 · checked 2026-08-29independently-verified · reference-only
τ³-Banking3	11.959%	Gemma 4 26B A4B (Reasoning) (Artificial Analysis completed independent run)Artificial Analysis tau3-Banking evaluation	Gemma 4 26B A4B (Reasoning) current model and individual-evaluation page ↗Observed 2026-08-29 · checked 2026-08-29independently-verified · ranking-eligible
Terminal-Bench2.1	38.951%	Gemma 4 26B A4B (Reasoning) (Artificial Analysis completed independent run)Artificial Analysis Terminal-Bench v2.1 in e2b	Gemma 4 26B A4B (Reasoning) current model and individual-evaluation page ↗Observed 2026-08-29 · checked 2026-08-29independently-verified · ranking-eligible
Artificial Analysis Agentic Index2026	10.97 index	Exact BenchLM registry variant Gemma 4 26B A4B; bulk export does not retain a complete upstream harness configuration.Source-native system	BenchLM public datasets — 21 July 2026 ↗Observed 2026-07-21 · checked 2026-07-21source-checked · reference-only
Artificial Analysis Agentic Index2026	10.97 index	Exact BenchLM registry variant Gemma 4 26B A4B; bulk export does not retain a complete upstream harness configuration.Source-native system	BenchLM public datasets — 2026-07-27 ↗Observed 2026-07-27 · checked 2026-07-27source-checked · reference-only

Showing 10 of 62 measurements

Specifications & source recordsDocumented model details and original references.

Model ID / checkpoint: google/gemma-4-26b-a4b-it
Weight access: Open weights
Context window: 256,000
Maximum output: Not documented
Modalities: text, image
Details checked: 29 Aug 2026

Specialist task evidenceSeparate agent runs and execution conditions.

No specialist task observations retained for this model.

The capabilities behind the model.

Capabilities, price & speed.

Capabilities versus API price

Capabilities versus output speed

Sources & model details.

Capabilities

Reasoning

More from Google.

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The capabilities behind the model.

Capabilities, price & speed.

Capabilities versus API price

Capabilities versus output speed

Sources & model details.

Capabilities

Reasoning

More from Google.

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