DeepSeek-R1 0528: Specifications & Sources

Specifications and access

Specification	Value and source
Weights	Open weightsSource
Access	API, LocalSource
Parameters	671BSource
Active parameters	37BSource
Context window	163,840 tokensSource
License	MITSource
Parameters	671 BSource
Active parameters	37 BSource
Rounded context label	128kSource
Model configuration context	163,840 tokens (Native checkpoint context; DeepSeek's API limit is a separate serving value.)Source
Architecture	MoE reasoning modelSource
Reasoning mode	reasoning model with improved function callingSource
Tool calling	YesSource

Measurements without matching peer values

These measurements have no matching peer values under the same test conditions. Their original values and sources remain available here.

MMLU-Redux (Show measurement, test conditions, and source)

Source value: 93.4
Score: 93.4
Metric: percent
Unit: %
Category: mixed
Direction: Higher is better
Source type: vendor-reported
Evaluator: DeepSeek R1-0528 model card
Status: active
Retrieved at: 2026-09-08
Methodology: Vendor-reported result. evaluation table; max context/output 64K, temperature .6, top_p .95, 16 responses; Agentless SWE

Source DeepSeek R1-0528 model card

MMLU-Pro (Show measurement, test conditions, and source)

Source value: 85
Score: 85
Metric: percent
Unit: %
Category: mixed
Direction: Higher is better
Source type: vendor-reported
Evaluator: DeepSeek R1-0528 model card
Status: active
Retrieved at: 2026-09-08
Methodology: Vendor-reported result. evaluation table; max context/output 64K, temperature .6, top_p .95, 16 responses; Agentless SWE

Source DeepSeek R1-0528 model card

GPQA (Show measurement, test conditions, and source)

Source value: 81
Score: 81
Metric: percent
Unit: %
Category: mixed
Direction: Higher is better
Source type: vendor-reported
Evaluator: DeepSeek R1-0528 model card
Status: active
Retrieved at: 2026-09-08
Methodology: Vendor-reported result. evaluation table; max context/output 64K, temperature .6, top_p .95, 16 responses; Agentless SWE

Source DeepSeek R1-0528 model card

SimpleQA (Show measurement, test conditions, and source)

Source value: 27.8
Score: 27.8
Metric: percent
Unit: %
Category: mixed
Direction: Higher is better
Source type: vendor-reported
Evaluator: DeepSeek R1-0528 model card
Status: active
Retrieved at: 2026-09-08
Methodology: Vendor-reported result. evaluation table; max context/output 64K, temperature .6, top_p .95, 16 responses; Agentless SWE

Source DeepSeek R1-0528 model card

FRAMES (Show measurement, test conditions, and source)

Source value: 83
Score: 83
Metric: percent
Unit: %
Category: mixed
Direction: Higher is better
Source type: vendor-reported
Evaluator: DeepSeek R1-0528 model card
Status: active
Retrieved at: 2026-09-08
Methodology: Vendor-reported result. evaluation table; max context/output 64K, temperature .6, top_p .95, 16 responses; Agentless SWE

Source DeepSeek R1-0528 model card

HLE (Show measurement, test conditions, and source)

Source value: 17.7
Score: 17.7
Metric: percent
Unit: %
Category: mixed
Direction: Higher is better
Source type: vendor-reported
Evaluator: DeepSeek R1-0528 model card
Status: active
Retrieved at: 2026-09-08
Methodology: Vendor-reported result. evaluation table; max context/output 64K, temperature .6, top_p .95, 16 responses; Agentless SWE

Source DeepSeek R1-0528 model card

LiveCodeBench (Show measurement, test conditions, and source)

Source value: 73.3
Score: 73.3
Metric: percent
Unit: %
Category: mixed
Direction: Higher is better
Source type: vendor-reported
Evaluator: DeepSeek R1-0528 model card
Status: active
Retrieved at: 2026-09-08
Methodology: Vendor-reported result. evaluation table; max context/output 64K, temperature .6, top_p .95, 16 responses; Agentless SWE

Source DeepSeek R1-0528 model card

SWE (Show measurement, test conditions, and source)

Source value: 57.6
Score: 57.6
Metric: percent
Unit: %
Category: mixed
Direction: Higher is better
Source type: vendor-reported
Evaluator: DeepSeek R1-0528 model card
Status: active
Retrieved at: 2026-09-08
Methodology: Vendor-reported result. evaluation table; max context/output 64K, temperature .6, top_p .95, 16 responses; Agentless SWE

Source DeepSeek R1-0528 model card

Aider (Show measurement, test conditions, and source)

Source value: 71.6
Score: 71.6
Metric: percent
Unit: %
Category: mixed
Direction: Higher is better
Source type: vendor-reported
Evaluator: DeepSeek R1-0528 model card
Status: active
Retrieved at: 2026-09-08
Methodology: Vendor-reported result. evaluation table; max context/output 64K, temperature .6, top_p .95, 16 responses; Agentless SWE

Source DeepSeek R1-0528 model card

AIME24 (Show measurement, test conditions, and source)

Source value: 91.4
Score: 91.4
Metric: percent
Unit: %
Category: mixed
Direction: Higher is better
Source type: vendor-reported
Evaluator: DeepSeek R1-0528 model card
Status: active
Retrieved at: 2026-09-08
Methodology: Vendor-reported result. evaluation table; max context/output 64K, temperature .6, top_p .95, 16 responses; Agentless SWE

Source DeepSeek R1-0528 model card

AIME25 (Show measurement, test conditions, and source)

Source value: 87.5
Score: 87.5
Metric: percent
Unit: %
Category: mixed
Direction: Higher is better
Source type: vendor-reported
Evaluator: DeepSeek R1-0528 model card
Status: active
Retrieved at: 2026-09-08
Methodology: Vendor-reported result. evaluation table; max context/output 64K, temperature .6, top_p .95, 16 responses; Agentless SWE

Source DeepSeek R1-0528 model card

HMMT (Show measurement, test conditions, and source)

Source value: 79.4
Score: 79.4
Metric: percent
Unit: %
Category: mixed
Direction: Higher is better
Source type: vendor-reported
Evaluator: DeepSeek R1-0528 model card
Status: active
Retrieved at: 2026-09-08
Methodology: Vendor-reported result. evaluation table; max context/output 64K, temperature .6, top_p .95, 16 responses; Agentless SWE

Source DeepSeek R1-0528 model card

Page 1 of 2

Our tests

Each test shows the latest attempt, with no subsequent fixes to the generated code. Earlier runs remain available in the test details. These results do not contribute to an overall score.

Pelican on a bicycle

A community classic for free-form SVG drawing.

DeepSeek-R1 0528

Reasoning (requested): high

Current attempt

Run date: 1 Oct 2026
API provider: openrouter
Requested API model: deepseek/deepseek-r1-0528
API model reported in response: deepseek/deepseek-r1-0528
Reasoning setting: high
Pinned endpoint: DeepInfra | deepseek/deepseek-r1-0528
Temperature: Provider default
Token limit including reasoning: 8,192 tokens
Test protocol: community-visual-tests-v1
Technical checks: Passed, not a quality rating
Response time: 258.2 s

Visually reviewed. This individual test does not establish overall model quality.

Prompt and test conditions

Generate an SVG of a pelican riding a bicycle

Token limit including reasoning: 8,192 tokens

Task origin (Simon Willison)

Popularity

37.8 / 100

Published prices

Hosting-market price: the median of 4 OpenRouter endpoints from 4 providers (representative: SiliconFlow), observed on October 6, 2026. Cache prices differ by provider and are not shown.

API input: $0.5 per 1M tokensSource
API output: $2.18 per 1M tokensSource

Predecessor and successor

Sources and data date

Type	Evidence and data date
Price	Base API prices without caching or batch discounts. Higher context tiers and other rates are listed under Costs. Source: Pricing · API pricing
Research status	Research date September 8, 2026. 4 source URLs checked. This documents the inspected sources, not an exhaustive inventory of every publication.
Unresolved	release-date Original wording No normalized release-date field in card.
Not found in the inspected sources	AA benchmark rows Original wording No exact-model row in the selected public JSON-LD datasets (some pages only expose N/A or unknown metric summaries).
Additional source	Model metadata
Additional source	DeepSeek R1-0528 model card (retrieved September 8, 2026) · DeepSeek-R1 0528 model card · Editorial description reviewed October 2, 2026
Additional source	Model metadata (retrieved September 8, 2026) · DeepSeek-R1 0528 announcement · Editorial description reviewed October 2, 2026
Additional source	Model metadata (retrieved September 8, 2026) · DeepSeek-R1 0528 configuration · Editorial description reviewed October 2, 2026
Additional source	OpenRouter: Popularity index (derived), CC BY 4.0
Additional source	Vercel AI Gateway: Popularity index (derived), CC BY 4.0
Additional source	Creative Commons Attribution 4.0