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The original and most widely adopted object store
Overall score
81/100
Verdict
Good
Pricing
Free
Performance radar — Amazon S3
Score breakdown
Durability
Data redundancy guarantees and SLA-backed durability.
Source: RadarTrek research
Price / Value
Storage cost per GB and egress fees.
Source: RadarTrek research
Performance
Upload/download throughput and latency.
Source: RadarTrek research
Developer UX
SDK quality, S3 API compatibility, and setup speed.
Source: RadarTrek research
Egress Cost
Cost of transferring data out — often the hidden expense.
Source: RadarTrek research
Ecosystem
CDN integration, multi-region support, and tooling.
Source: RadarTrek research
Amazon S3 is the industry-standard object storage service, with the broadest ecosystem and tooling support. Best for teams already on AWS. Egress fees to non-AWS destinations are the main cost concern at scale.
In our independent evaluation across 6 scored dimensions, Amazon S3 earns an overall score of 81/100 — a strong result in the object storage category. The platform is available including a permanently free tier, accessible to teams at any budget level. The score of 81 places it in the good tier of our object storage rankings, where we assess tools on criteria that matter to builders: durability, price / value, performance, and more.
Amazon S3 scores highest on Durability (98/100) and Ecosystem (98/100), placing it among the stronger performers in those areas within the object storage category. The dimensions with the most room for improvement are Egress Cost (40/100) and Price / Value (65/100) — teams who weight these criteria most heavily should compare Amazon S3 carefully against alternatives before committing. The free entry point makes it easy to validate Amazon S3 before committing to a paid plan — a practical advantage when evaluating a new tool category. Our recommendation: Amazon S3 is worth a serious evaluation for teams that prioritise durability — use the radar chart and dimension breakdown on this page to see at a glance whether its profile matches your priorities.
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Yes — Amazon S3 is free to use with no trial period or credit card required. It offers a permanently free tier, though paid plans with higher limits or additional features are typically available. Check the official pricing page for current plan details.
Amazon S3 scores highest on Durability in our independent assessment — 98/100, placing it among the stronger performers in this dimension within the object storage category. Data redundancy guarantees and SLA-backed durability.. Teams who count durability as a primary criterion should put Amazon S3 high on their evaluation list.
The lowest-scoring dimension for Amazon S3 in our testing is Egress Cost (40/100). This does not make it the wrong choice — if egress cost is not a priority for your use case, the gap is irrelevant. But teams who weight egress cost most heavily should compare Amazon S3 carefully against alternatives before committing, using the radar chart on this page to see the full profile at a glance.
Amazon S3 earns an overall RadarTrek score of 81/100 — a strong result in the object storage category. Scores above 75 indicate a tool that performs well across most dimensions without a critical weakness. At 81/100, Amazon S3 is a reliable choice for most teams evaluating this space. Scores are reviewed when significant updates are released, so the number reflects the current version of the product.
The best alternative to Amazon S3 depends on which dimension matters most to you. Use the "Compare with" links in the sidebar to see a head-to-head radar chart against any specific competitor in the object storage category. The main object storage category page ranks all tools by overall score and lets you filter by dimension to find alternatives that lead on your priority criterion.
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