Claim LD11-HQ-C05 (v1.0)

Epoch AI estimated that five U.S. hyperscalers owned about 71% of cumulative global AI compute in Q4 2025, up from about 63% in Q1 2024, measured in H100-equivalents.

Research opportunities this claim motivates

What this claim leaves open for research. Each is a hypothesis about a gap, not a finding.

Does public research compute change what academic AI researchers can do without industry?Five US hyperscalers owned about 71% of cumulative global AI compute (H100-equivalents) in Q4 2025, so the comparison point for public compute is a concentrated ownership base; the claim does not speak to research access, which is the gap here.

Provenance and status

Claim type: ESTIMATE (as printed: “ESTIMATE”)
Publication status: ELIGIBLE (QUALIFIED) (as printed: “ELIGIBLE WITH QUALIFIER”)
Verification state: CONTENT_VERIFIED_PRIMARY (as printed: “CONTENT VERIFIED”; verified by: UNKNOWN)
Does not license: AI workload share, access, usable capacity or governance control
Source (field 6, as printed): Epoch AI, Emberson, You & Somala, 14 Apr 2026
Source type (field 7): INDEPENDENT_RESEARCH_REPORT (as printed: “Independent research dataset”)
Institutional position: Independent research nonprofit
Maturity (claim evidence / publication maturity): RAPIDLY_MATURING (as printed: “RAPIDLY MATURING”)
Recorded date: 2026-09-25
Currentness / correction: This is the current version. No correction or concern relation is recorded on its Sources.

Version

Current version v1.0, resolved through the explicit current pointer CLAIM--LD11-HQ-C05.

Versions:v1.0 · current

Pinned Sources (field 6, version-specific)

“Epoch AI, Emberson, You & Somala, 14 Apr 2026” → SRC-LD11-EPOCH-AI-CHIP-OWNERS-2026-04-14--v1.0 — Epoch AI, Emberson, You & Somala, 14 Apr 2026; class INDEPENDENT_RESEARCH_REPORT (explicit public provenance pin)

Read the originals

SRC-LD11-EPOCH-AI-CHIP-OWNERS-2026-04-14: open the original

All 25 canonical Claim fields (raw values and normalized values)

#	Canonical field	Canonical value (verbatim)	Normalized (Claim Value Vocabulary v1.0.2)
1	CLAIM ID	LD11-HQ-C05	—
2	PUBLIC-FACING CLAIM	Epoch AI estimated that five U.S. hyperscalers owned about 71% of cumulative global AI compute in Q4 2025, up from about 63% in Q1 2024, measured in H100-equivalents.	—
3	CLAIM TYPE	ESTIMATE	base_types: ESTIMATE
4	RESEARCH STRAND	B — Cloud and compute	—
5	MATURITY	RAPIDLY MATURING	states: RAPIDLY_MATURING
6	SOURCE	Epoch AI, Emberson, You & Somala, 14 Apr 2026	source_ids: SRC-LD11-EPOCH-AI-CHIP-OWNERS-2026-04-14
7	SOURCE TYPE	Independent research dataset	classes: INDEPENDENT_RESEARCH_REPORT
8	INSTITUTIONAL POSITION	Independent research nonprofit	—
9	SCOPE	Cumulative installed AI chips; global ownership; Q1 2024–Q4 2025	—
10	DESIGN	Modelled observational dataset	—
11	SAMPLE / DATASET	AI Chip Owners dataset	—
12	MODEL / TOOL / VERSION	H100e conversion using peak 8-bit compute	—
13	COMPARATOR	Rest of world chip owners	—
14	MAIN RESULT	70.7% in Q4 2025 vs 62.5% in Q1 2024	—
15	INFERENTIAL TARGET	Concentration in ownership of installed AI compute	—
16	DOES NOT LICENSE	AI workload share, access, usable capacity or governance control	—
17	VERIFICATION STATE	CONTENT VERIFIED	state: CONTENT_VERIFIED_PRIMARY · verified_by: UNKNOWN
18	LIMITATIONS	Incomplete coverage; H100e approximates heterogeneous hardware	—
19	CONTRADICTORY / SUPPORTING SOURCES	Generic cloud-revenue shares use a different denominator	—
20	GEOGRAPHY / LANGUAGE	Global / English	—
21	DISTRIBUTIONAL LEDGER	Non-hyperscalers often rent rather than own frontier-scale compute	—
22	R01 / FIELD-MAP LINKS	D1, D3, L-A, L-B, R-1, LD-11	—
23	WHAT WOULD CHANGE THIS CLAIM?	Consistent newer ownership series showing sustained deconcentration	—
24	PUBLICATION STATUS	ELIGIBLE WITH QUALIFIER	state: ELIGIBLE · qualifiers: QUALIFIED
25	RECORDED DATE	2026-09-25	—

Field 22 references resolved against Field Map v0.2: D1 (DOMAIN); D3 (DOMAIN); L-A (LENS); L-B (LENS); R-1 (LENS); LD-11 (LIVING_DEBATE)

Cited by Living Debate versions

LD-11 v0.1

Research-of-record provenance

Materialized by sociolens-materializer 0.6.0 at 2026-09-28T20:00:00.000Z; normalization contract SocioLens — Claim Value Vocabulary v1.0.2 — Pre-Spike Materialization Contract (v1.0.2). Content seal SHA-256 970e04b97d1754236379e1fdd7d69ab9f1a37df6bf671010b334562a5274f4de.

Frozen Drive-derived inputs

R06 — LD-11 Canonical Claim Ledger v1.0 — LOCKED (v1.0) — Drive ID 1Ff_IzUBMpax35rKovu0vxXr1WTtpfCDP; revision: NOT_EXPOSED_BY_DRIVE_TEXT_EXPORT; Drive modified ; block “ENTRY 05 — LD11-HQ-C05 ” SHA-256 11f98753b46420d6c32cedfad4ba2bf1c68c3854efa025ce9e08594708ee5c9d; SocioLens — Programme Status & Authority Register v0.6 status “CURRENT.”; frozen fixture fixtures/frozen/r06-ld11-claim-ledger-v1.0.

Builder decisions (not Drive data)

VERSION = v1.0 — basis: Claim version taken from the canonical ledger artifact version (R06 — LD-11 Canonical Claim Ledger v1.0); Implementation Architecture Selection §5
CURRENT_POINTER = true — basis: SocioLens — Programme Status & Authority Register v0.6 status for "R06 — LD-11 Canonical Claim Ledger v1.0 — LOCKED": "CURRENT."
FIELD_6_SOURCE_REFERENCE = SRC-LD11-EPOCH-AI-CHIP-OWNERS-2026-04-14--v1.0 — basis: field 6 of ENTRY 05 — LD11-HQ-C05 cites "Epoch AI, Emberson, You & Somala, 14 Apr 2026"; the frozen field-6 segment of this ClaimVersion's ledger block; Drive-derived identity authority (Issue #41 Source inventory): HQ-Q7; Batch 01 §5; ledger C05 fields 6/7/8; KEY EVIDENCE.
SOURCE_PROVENANCE_PIN = SRC-LD11-EPOCH-AI-CHIP-OWNERS-2026-04-14--v1.0 — basis: Issue #5 proof rendering (Architecture Proof Protocol v0.1 AP-08 / Amendment v1.2 §6): explicit version-pinned public provenance of this ClaimVersion — the pinned field-6 Source record "Epoch AI, Emberson, You & Somala, 14 Apr 2026"; Drive-derived identity authority (Issue #41 Source inventory): HQ-Q7; Batch 01 §5; ledger C05 fields 6/7/8; KEY EVIDENCE.