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We consent to the incorporation by reference in Registration Statement Nos. 333-259271, 333-263154, 333-270630, 333-277533 and 333-285510 on Form S-8 and Registration Statement Nos. 333-257676, 333-263514, 333-273934, and 333-290559 on Form S-3 of Quantum-Si Incorporated of our report dated February 29, 2024 (March 3, 2025, as to the effects of the adoption of ASU No. 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures), relating to the 2023 financial statements of Quantum-Si Incorporated, appearing in this Annual Report on Form 10-K of Quantum-Si Incorporated for the year ended December 31, 2025.