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Model infoModelsSnapshot: 15 Oct 2026

Sber / GigaChat first generation

GigaChat Pro (first generation)

Historical GigaChat Pro from the 2024 API lineup, distinct from GigaChat 2. The reviewed 26.20 release is no longer available.

historicalClosed weightsText generation
Official documentation (opens in a new tab)Reviewed 14 Oct 2026
7 of 19 specification fields collected
Context window32.8K32,768 tokens
Maximum outputNot collectedAwaiting source review
Input billingNot collectedGigaChat API (historical)
Output billingNot collectedNo inferred price

Specifications

Provider-documented facts. “Not collected” means we have not verified that field yet, not that the feature is unsupported.

Context / input limit
32,768 tokensSource for Context / input limit (opens in a new tab)

Exact window from the 1 October 2024 release prose. The 31 October table abbreviates the window as 32K.

Maximum input tokens
Not collected
Maximum output
Not collected
Reasoning
Not collected
Tool calling
SupportedSource for Tool calling (opens in a new tab)

Documented by the function-support check mark in the historical capability table; this is not evidence of current availability.

Structured output
Not collected
Streaming
Not collected
Batch processing
Not collected
Fine-tuning
Not collected
Knowledge cutoff
Not collected
Release date
Not collected
Parameters
Not collected
Languages
Not collected
Context caching
Not collected
Model revision
26.20 (31 October 2024); unavailable in the reviewed release history.Source for Model revision (opens in a new tab)
Input modalities
TextSource for Input modalities (opens in a new tab)

Image support is unresolved: the 1 October prose announces Pro image input, but both 2024 capability tables show a cross for image analysis. Text is the uncontested modality.

Built-in tools
Image generationSource for Built-in tools (opens in a new tab)

Documented service tool. This does not establish native image generation by the language-model weights.

Endpoint availability
Historical release marked unavailable. Exact withdrawal date and a callable archived selector were not collected.Source for Endpoint availability (opens in a new tab)

Access & pricing

Prices belong to an endpoint and billing tier. A provider listing does not guarantee access for every account or region.

GigaChat API (historical)

Provider source (opens in a new tab)
API model ID
Not collected

No immutable archived selector verified. The modern GigaChat-Pro/GigaChat-Max aliases must not be treated as access to the 2024 weights.

Access
Historical API offering, currently unavailable according to provider release history. No active endpoint is asserted.
Regions
Historical processing region not verified.

Endpoint pricing has not been collected. Check the provider for applicable rates.

Data & enterprise terms

Historical retention and training-use terms not collected.

Caching

Caching can reuse earlier input processing. Availability, lifetime and billing depend on the endpoint. A cache hit still generates a new response.

01 / INITIAL INPUTProcess & retain

The system processes eligible input and retains reusable state.

02 / LATER REQUESTCheck available state

Reuse depends on matching input, session state and the cache policy.

03 / CACHE HITReuse & generate

Reusing state can reduce repeated work. Any charges follow the billing rules below.

GigaChat API (historical)

Not verified

No historical endpoint cache policy verified; current GigaChat terms are not applied retrospectively.

How it works
Not collected

No historical endpoint cache policy verified; current GigaChat terms are not applied retrospectively.

Minimum reusable input
Not collected

No historical endpoint cache policy verified; current GigaChat terms are not applied retrospectively.

Lifetime & refresh
Not collected

No historical endpoint cache policy verified; current GigaChat terms are not applied retrospectively.

How to enable it
Not collected

No historical endpoint cache policy verified; current GigaChat terms are not applied retrospectively.

Usage fields
Not collected

No historical endpoint cache policy verified; current GigaChat terms are not applied retrospectively.

Billing rules
Not collected

No historical endpoint cache policy verified; current GigaChat terms are not applied retrospectively.

Limits & data boundaries
Not collected

No historical endpoint cache policy verified; current GigaChat terms are not applied retrospectively.

No verified cache rate for this endpoint. An empty rate is not a zero charge.

Caching reviewed 14 Oct 2026

What the measurements say

MMLU (5-shot) · 31.10.2024

Sber · provider-reported
0.69provider scale

Historical 31.10.2024 release table. Raw published score with no rescaling; parenthesized change versus a prior release is not part of the score. Preserve the named few-shot and safety-filter settings. Not an independent reproduction or a current-model comparison.

Evaluation source (opens in a new tab)

ruMMLU (5-shot) · 31.10.2024

Sber · provider-reported
0.65provider scale

Historical 31.10.2024 release table. Raw published score with no rescaling; parenthesized change versus a prior release is not part of the score. Preserve the named few-shot and safety-filter settings. Not an independent reproduction or a current-model comparison.

Evaluation source (opens in a new tab)

GSM8K (5-shot) · 31.10.2024

Sber · provider-reported
0.78provider scale

Historical 31.10.2024 release table. Raw published score with no rescaling; parenthesized change versus a prior release is not part of the score. Preserve the named few-shot and safety-filter settings. Not an independent reproduction or a current-model comparison.

Evaluation source (opens in a new tab)

MATH (4-shot) · 31.10.2024

Sber · provider-reported
0.45provider scale

Historical 31.10.2024 release table. Raw published score with no rescaling; parenthesized change versus a prior release is not part of the score. Preserve the named few-shot and safety-filter settings. Not an independent reproduction or a current-model comparison.

Evaluation source (opens in a new tab)

MT-Bench (safety filter enabled) · 31.10.2024

Sber · provider-reported
7.45provider scale

Historical 31.10.2024 release table. Raw published score with no rescaling; parenthesized change versus a prior release is not part of the score. Preserve the named few-shot and safety-filter settings. Not an independent reproduction or a current-model comparison.

Evaluation source (opens in a new tab)

MT-Bench (average) (safety filter disabled) · 31.10.2024

Sber · provider-reported
7.59provider scale

Historical 31.10.2024 release table. Raw published score with no rescaling; parenthesized change versus a prior release is not part of the score. Preserve the named few-shot and safety-filter settings. Not an independent reproduction or a current-model comparison.

Evaluation source (opens in a new tab)

Arena-Hard EN (safety filter disabled) · 31.10.2024

Sber · provider-reported
18provider scale

Historical 31.10.2024 release table. Raw published score with no rescaling; parenthesized change versus a prior release is not part of the score. Preserve the named few-shot and safety-filter settings. Not an independent reproduction or a current-model comparison.

Evaluation source (opens in a new tab)

Arena-Hard RU (safety filter disabled) · 31.10.2024

Sber · provider-reported
45.5provider scale

Historical 31.10.2024 release table. Raw published score with no rescaling; parenthesized change versus a prior release is not part of the score. Preserve the named few-shot and safety-filter settings. Not an independent reproduction or a current-model comparison.

Evaluation source (opens in a new tab)

Human Eval (0-shot) · 31.10.2024

Sber · provider-reported
0.44provider scale

Historical 31.10.2024 release table. Raw published score with no rescaling; parenthesized change versus a prior release is not part of the score. Preserve the named few-shot and safety-filter settings. Not an independent reproduction or a current-model comparison.

Evaluation source (opens in a new tab)

MMLU (5-shot) · 01.10.2024

Sber · provider-reported
0.69provider scale

Historical 01.10.2024 release table. Raw published score with no rescaling; parenthesized change versus a prior release is not part of the score. Preserve the named few-shot and safety-filter settings. Not an independent reproduction or a current-model comparison.

Evaluation source (opens in a new tab)

ruMMLU (5-shot) · 01.10.2024

Sber · provider-reported
0.62provider scale

Historical 01.10.2024 release table. Raw published score with no rescaling; parenthesized change versus a prior release is not part of the score. Preserve the named few-shot and safety-filter settings. Not an independent reproduction or a current-model comparison.

Evaluation source (opens in a new tab)

GSM8K (5-shot) · 01.10.2024

Sber · provider-reported
0.77provider scale

Historical 01.10.2024 release table. Raw published score with no rescaling; parenthesized change versus a prior release is not part of the score. Preserve the named few-shot and safety-filter settings. Not an independent reproduction or a current-model comparison.

Evaluation source (opens in a new tab)

MATH (4-shot) · 01.10.2024

Sber · provider-reported
0.31provider scale

Historical 01.10.2024 release table. Raw published score with no rescaling; parenthesized change versus a prior release is not part of the score. Preserve the named few-shot and safety-filter settings. Not an independent reproduction or a current-model comparison.

Evaluation source (opens in a new tab)

MT-Bench (average) · 01.10.2024

Sber · provider-reported
7.7provider scale

Historical 01.10.2024 release table. Raw published score with no rescaling; parenthesized change versus a prior release is not part of the score. Preserve the named few-shot and safety-filter settings. Not an independent reproduction or a current-model comparison.

Evaluation source (opens in a new tab)

Arena-Hard EN · 01.10.2024

Sber · provider-reported
21.4provider scale

Historical 01.10.2024 release table. Raw published score with no rescaling; parenthesized change versus a prior release is not part of the score. Preserve the named few-shot and safety-filter settings. Not an independent reproduction or a current-model comparison.

Evaluation source (opens in a new tab)

Arena-Hard RU · 01.10.2024

Sber · provider-reported
28.2provider scale

Historical 01.10.2024 release table. Raw published score with no rescaling; parenthesized change versus a prior release is not part of the score. Preserve the named few-shot and safety-filter settings. Not an independent reproduction or a current-model comparison.

Evaluation source (opens in a new tab)

Human Eval (0-shot) · 01.10.2024

Sber · provider-reported
0.4provider scale

Historical 01.10.2024 release table. Raw published score with no rescaling; parenthesized change versus a prior release is not part of the score. Preserve the named few-shot and safety-filter settings. Not an independent reproduction or a current-model comparison.

Evaluation source (opens in a new tab)

Latency and throughput depend on the host, request size, reasoning settings and load. There is no measured speed or global usage figure in this record.

The record behind the model

Why it is included

Official Sber model card compares the public GigaChat-20B-A3B checkpoint against separate GigaChat-Pro v26.20 and GigaChat-Max v26.20 models. The reviewed official public inventory contains no matching Pro/Max v26.20 weights. This classification does not extend to the public Lite model or newer GigaChat generations.

Classification evidence (opens in a new tab)

Lifecycle dates

Revision 26.15: context expanded from 8,192 to 32,768 tokens; prose and table disagree on image input1 Oct 2024Source (opens in a new tab)
Revision 26.20 published; now marked unavailable31 Oct 2024Source (opens in a new tab)

Sources reviewed