Alternatives to Quantinuum

The top Quantum Computing companies similar to Quantinuum, ranked by relevance (named competitors first, then how closely their sectors overlap) and our 0-100 AI-readiness score. Each links to a full profile with funding and team.

Open source alternatives to Quantinuum (60) →

Company	Sector	HQ	Funding	Score
IBM Quantum	Quantum Computing	Yorktown Heights, United States	—	12
IQM	Quantum Computing	Espoo, Finland	$516.0M	58
Quantum Art	Quantum Computing	Tel Aviv, Israel	$141.1M	62
Pasqal	Quantum Computing	Palaiseau, France	$233.0M	61
Astrus	AI Chip	Toronto, Canada	$8.3M	50
Phi-Coherent .	Quantum Computing	—	—	33
IonQ	Quantum Computing	College Park, United States	$10.0M	27
Quantum Machines	Quantum Computing	Tel Aviv, Israel	$293.0M	69
QEDMA	Quantum Computing	Tel Aviv, Israel	$40.7M	57
Phasecraft	Quantum Computing	London, United Kingdom	$99.4M	57
IQIQM Quantum	Quantum Computing	Espoo, Finland	$852.4M	54
Iceberg Quantum	Quantum Computing	Cambridge, United States	$8.0M	52
ENQODE	Data	Tel Aviv, Israel	—	28
QuantumSecure	Post-Quantum Cryptography	Tel Aviv, Israel	—	28
Google Quantum AI	Quantum Computing	Santa Barbara, United States	—	19
Atom Computing	Quantum Computing	Boulder, USA	$428.0M	63
IQIQM Quantum Computers	Quantum Computing	Espoo, Finland	$532.9M	60
Rigetti Computing	Quantum Computing	Berkeley, United States	$178.0M	59
Classiq	Quantum Computing	Tel Aviv, Israel	$194.5M	67
AetherFlux	Quantum Computing	Palo Alto, United States	$300.0M	61
yQunatum	Quantum Computing	Villigen, Switzerland	$170K	42
KUKuano Technologies	Quantum Computing	Cambridge, United Kingdom	$1.0M	—
PQPQSecure	Post-Quantum Cryptography	Charlotte, United States	$1.0M	—
Fastpathnetworks	Edge AI	Palo Alto, United States	—	40
NVIDIA Corp	Professional Visualization	Santa Clara, United States	$4.1B	84
Nvidia	Hardware	Santa Clara, United States	$4.0B	82
Lakera AI AG	AI Security	Berlin, Germany	$12.0M	63
Lasso Security	Cybersecurity	New York, United States	$6.0M	55
Prompt Security	Enterprise	Tel Aviv, Israel	$23.0M	55
Groq	AI Hardware	Mountain View, United States	$2.4B	54
Knostic	Cybersecurity	—	$14.3M	54
Runlayer	Security	San Francisco, United States	$22.0M	53
Clover Security	Cybersecurity	San Francisco, United States	$36.0M	51
D-Wave	Quantum Computing	Burnaby, Canada	—	51
Ent	Cybersecurity	Tel Aviv, Israel	$12.0M	42
Marvinn.ai	Generative AI	Tel Aviv, Israel	—	31
Vibranium Dome	AI Agents	—	—	23
Aipex Defense	Generative AI	—	—	12
ADVERSA	Cybersecurity	Tel Aviv, Israel	—	10
Duke Security	Data Collaboration	תל אביב - יפו, Israel	—	—
Agent Bricks	Agentic AI	San Francisco, United States	—	87
Ricursive Intelligence	AI Hardware	New York, United States	$965.0M	82
Sana	AI Search Engine	San Francisco, United States	—	78
Clio	LegalTech	Burnaby, Canada	—	76
NemoClaw	Artificial Intelligence	—	—	75
Manus AI	Agentic AI	Singapore, Singapore	$150.0M	75
Harvey AI	LegalTech	New York, United States	$27.0M	70
Fetcherr	Retail	Tel Aviv, Israel	$103.9M	70
PsiQuantum	Quantum Computing	Palo Alto, United States	$3.6B	70
Pinecone	AI Infrastructure	San Francisco, United States	$138.0M	69
AI21 Labs	Foundation Model	Tel Aviv, Israel	$208.0M	66
Augmented Intelligence (AUI)	Assistant	—	$54.5M	64
CopilotKit	Agentic AI	San Francisco, United States	$42.0M	64
Armadin	Cybersecurity	Menlo Park, United States	$189.9M	64
TwelveLabs	Video Intelligence	San Francisco, United States	$68.0M	64
Sarvam AI	Agentic AI	Bengaluru, India	$234.0M	63
Applied Compute	Agentic AI	San Francisco, United States	$101.5M	63
Prime Security	Enterprise	Tel Aviv, Israel	$26.0M	62
Predibase	MLOps	San Francisco, United States	—	61
Harvey.	Legal & Compliance	New York, United States	—	61