Best crypto tax software
4 models · updated 2026-06-25
The verdict
Koinly leads — 3 of 4 models rank Koinly the top pick.
Not unanimous: Grok picks Summ.
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Combined ranking
- 1GPT #1Claude #1Gemini #1Grok #3
Best overall balance of accurate reconciliation, broad international tax rules, strong exchange and wallet imports, DeFi/NFT handling, transparent audit reports, and reasonable per-tax-year pricing; assumes a typical investor who may use several platforms but will review flagged transactions.
Claude Best all-round value for the typical crypto investor — 20+ jurisdictions with localized capital-gains/income reports, 800+ exchange/wallet/blockchain integrations, solid staking/DeFi/NFT handling, clean workflow, and a free tracking tier so you only pay to generate the report; edges CoinTracker for the #2 spot on international breadth and price (near-tie at the top).
Gemini Near-tied with CoinLedger; earned the top spot due to its superior global compliance engine supporting over 100 countries and its ability to natively generate local tax documents for various jurisdictions. It also features extensive exchange and wallet integrations.
Grok Strong balance of usability, exchange/wallet coverage, solid DeFi support, and clean reports; reliable for moderately complex portfolios with good international options.
Where it falls shortper GPT Complex DeFi histories can still require substantial manual classification and reconciliation.
per Claude Not a full-service/CPA-filing product and support can lag at peak season; gnarly DeFi/LP edge cases still need manual reconciliation, so it's not for someone who wants a human to do the return.
per Gemini Subscription costs scale steeply with transaction volume, and the web interface can experience significant performance degradation when loading portfolios exceeding 100,000 transactions.
per Grok Limitations in one-sided transactions and less granular editing than top two (not optimal for very high complexity or heavy manual fixes).
- 2GPT #2Claude —Gemini #3Grok #1
Tops independent CPA rankings for reconciliation strength, DeFi/on-chain handling (LPs, staking, bridging), cost basis control, and 1099-DA readiness in 2026's broker reporting era; strong automation with manual flexibility for complex portfolios.
GPT Near-tie with Koinly and arguably stronger for DeFi-heavy practitioners, with excellent smart-contract interpretation, transaction review workflows, 3,500-plus integrations, accountant collaboration, and defensible audit reporting.
Gemini Unmatched capability in parsing and mapping complex decentralized finance (DeFi), NFT, and smart contract activities across thousands of blockchains. Provides power users and tax professionals with granular manual categorization and developer-grade transaction analysis tools.
Where it falls shortper GPT Its best automation and tax-optimization features sit on materially more expensive tiers.
per Gemini The platform has a steep learning curve and its highly detailed interface can feel overly complex and frustrating for retail investors with basic exchange-only trading habits.
per Grok Pricing scales quickly with high transaction volume (not ideal for ultra-high-volume or budget beginners).
- 3GPT #4Claude #4Gemini #2Grok #4
Near-tied with Koinly; stands out for its superior user onboarding experience and highly intuitive transaction error reconciliation tool, which simplifies fixing missing cost-basis issues. It also offers direct, seamless exports to major US tax filing suites.
GPT Strong value for mainstream US investors, with simple reconciliation, broad wallet and exchange coverage, useful on-chain fee handling, unlimited connected accounts, and easy exports to major filing products.
Claude Cleanest, most affordable path for straightforward US investors — genuinely simple flow, responsive support, and TurboTax/TaxAct export that gets a typical exchange-only filer done fast and cheap.
Grok Excellent ease-of-use, fast workflow, broad integrations (including TurboTax), and strong for simpler/DeFi income tracking; highly rated for typical users seeking quick, accurate filing.
Where it falls shortper GPT Less capable than Summ or Koinly when untangling unusual multi-chain DeFi and smart-contract activity.
per Claude Thin international support and weaker on complex DeFi/on-chain activity — the wrong tool for multi-jurisdiction users or heavy on-chain traders.
per Gemini It offers native tax reporting compliance for only a few key countries (primarily the US, UK, and Australia), making it unsuitable for users in other tax jurisdictions.
per Grok Limited depth for heavy DeFi/wallet activity and cost basis corrections (not for advanced reconstruction).
- 4GPT #3Claude #2Gemini #4Grok #5
The strongest choice for US filers — official TurboTax and Coinbase integrations, polished UX, and combined portfolio tracking plus tax in one tool make it the least-friction path for mainstream exchange users.
GPT Particularly polished for US taxpayers, combining reliable portfolio tracking, extensive integrations, automatic DeFi categorization, 1099-DA support, tax-loss insights, and smooth TurboTax/H&R Block workflows.
Gemini Excellent real-time portfolio dashboard paired with automated tax-loss harvesting suggestions and seamless integration with TurboTax and Coinbase, making it a frictionless choice for mainstream US-based investors.
Grok Superior portfolio tracking, clean UX, strong TurboTax/H&R Block e-file, and broad integrations; great for users where tracking and taxes overlap.
Where it falls shortper GPT High-volume and advanced users pay considerably more than with leading rivals.
per Claude Pricing scales steeply at high transaction counts and it's more US-centric; historic cost-basis/sync accuracy gripes mean heavy DeFi traders should verify imports rather than trust them blindly.
per Gemini Its manual transaction editing and custom classification tools are clumsy and difficult to use when automated syncs fail to resolve complex multi-wallet transactions.
per Grok Weaker on complex DeFi categorization and manual reconciliation (not best for messy high-activity histories).
- 5GPT #5Claude #5Gemini —Grok #2
Exceptional lot-level editing, cost basis correction, high-volume handling, and CPA compatibility; powerful for power users needing full control post-1099-DA.
GPT Exceptionally deep reporting, configurable cost-basis controls, long operating history, multi-year access, and professional-client features make it powerful for experienced traders and tax advisers.
Claude The power-user and accountant's tool — deepest reporting and analytics, dozens of accounting methods and countries, and a long track record that professional/high-volume traders rely on.
Where it falls shortper GPT Its dense, dated workflow is less approachable and requires more expertise than the higher-ranked tools.
per Claude Dated, dense UI with a real learning curve; overwhelming and time-consuming for a casual investor who just needs a gains report.
per Grok Steep learning curve and less beginner-friendly UI (not for novices or simple exchange-only users).
- 6GPT —Claude #3Gemini —Grok —
Best-in-class on-chain and DeFi coverage — 3,000+ integrations, granular categorization of LP, lending, derivatives, and obscure protocol transactions across many jurisdictions, making it the pick for wallets that live on-chain rather than on exchanges.
Where it falls shortper Claude Higher price and it still asks you to hand-classify exotic transactions; overkill (and needless cost) for someone whose activity is just buy/sell/hold on a couple of exchanges.
- 7GPT —Claude —Gemini #5Grok —
The leading open-source, privacy-first alternative that processes all transaction calculations locally on the user's machine, ensuring API keys and financial histories are never exposed to third-party cloud servers.
Where it falls shortper Gemini Lacks direct cloud integrations with major tax filing software, requiring users to manually export and import CSV data, and certain advanced DeFi tracking features are locked behind a premium paid tier.
Rank history
Just missed the top 5
GPT ZenLedger — good US-focused filing and professional-help options, but weaker overall value and international reach · TokenTax — strong hands-on service for difficult cases, but advanced assistance is too expensive for the typical user
Claude TokenTax — excellent for complex situations because it pairs software with in-house CPA filing, but that human service — not the software alone — is what you're paying premium prices for, so it's a poor value as a pure software pick · ZenLedger — competent US/CPA-facing tool with decent DeFi and IRS-form coverage, but UX and import accuracy trail the leaders and it's very US-centric
Gemini ZenLedger — Missed the top five due to a less intuitive user interface and automated matching algorithms that frequently require more manual troubleshooting than competitors · TaxBit — Missed because the company decommissioned its consumer-facing tax software in late 2023 to focus exclusively on B2B enterprise and government compliance services
Grok ZenLedger — strong structured workflow but less flexible/DeFi depth than top ranks
By model
ChatGPT
- 1.Koinly
- 2.Summ
- 3.CoinTracker
- 4.CoinLedger
- 5.CoinTracking
Claude
- 1.Koinly
- 2.CoinTracker
- 3.Crypto Tax Calculator
- 4.CoinLedger
- 5.CoinTracking
Gemini
- 1.Koinly
- 2.CoinLedger
- 3.Summ
- 4.CoinTracker
- 5.Rotki
Grok
- 1.Summ
- 2.CoinTracking
- 3.Koinly
- 4.CoinLedger
- 5.CoinTracker
This ranking moves
We re-poll all four models continuously. Get one short email when a #1 flips.
Tracked by ModelsAgree · rank 1 = 5 pts … rank 5 = 1 pt · re-polled continuously