WarpStream vs Redpanda
SEPT 2026 auditA comparison of WarpStream and Redpanda built from values read directly from each provider's own documentation, with the source recorded against every figure.
The short answer
Choose WarpStream if…
Write-heavy workloads where inter-zone replication is the bill. Data is acknowledged straight into your own object storage, so partitions, reads and storage are not metered at all and only gigabytes written are — $0.01 falling to $0.003 at volume.
Editorial · Palash Bagchi · approved
Choose Redpanda if…
Knowing the ceilings before you talk to anyone. It publishes throughput, partitions and SLA for both tiers — 100 MB/s and 5,000 partitions on Serverless, 2 GB/s and 112,500 on Bring Your Own Cloud — which is more capability detail than the others put on a pricing page at all.
Editorial · Palash Bagchi · approved
Consider something else if…
- WarpStream: You need an availability commitment at the entry price. The $100 Dev tier carries no uptime SLA whatsoever; the first one is Fundamentals at $500, five times the floor. Lower latency is a Pro-tier feature, which is the honest cost of the object-storage design.
- Redpanda: You need to know what it costs. The pricing page carries no currency figure anywhere: not a rate, not a plan fee, not a starting-from. Every comparison here is on capability alone. RBAC, OIDC and audit logging are also BYOC-only, and BYOC is annual commitment.
Neither quite fits? Every other option, ranked by iScore: WarpStream alternatives · Redpanda alternatives
4 sourced criteria separate them — see where, with sources, below.
Pick the criteria you care about. The chart counts how many of them lean toward each provider — the same read as scanning the bars below, just totalled for the ones you chose.
WarpStream 0
Redpanda 0
At a glance.
| Criterion | WarpStream | Redpanda |
|---|---|---|
| Pricing | ||
| Credit card to start | No | No |
| Pricing model | Two lines, not one. A cluster-tier fee — $100 a month for Dev, $500 for Fundamentals, $1,500 for Pro — plus write throughput metered per gibibyte: $0.01/GiB to 50 TiB, falling to $0.003 beyond 6,250 TiB. Reads, partitions and storage are not billed; data sits in your own object storage. | Not published. The pricing page names two tiers, Serverless and Bring Your Own Cloud, and states throughput, partition and SLA ceilings for each — but no rate, no unit and no monthly figure appears anywhere on it. Serverless is described as pay-as-you-go or annual commit; BYOC as annual commitment only. |
| Infrastructure | ||
| Uptime SLA | None at all on the $100 Dev tier. 99.9% on Fundamentals, 99.99% on Pro, and 99.999% on Enterprise only with multi-region clusters — 99.99% without. | 99.9% on Serverless, 99.99% on Bring Your Own Cloud. |
| Streaming | ||
| Throughput ceiling | The calculator runs from 1 MiB/s to 5 GiB/s of uncompressed write throughput, and the rate falls as the tier rises rather than the ceiling being fixed. | 100 MB/s write and 300 MB/s read on Serverless; 2 GB/s write and 4 GB/s read on Bring Your Own Cloud — a twentyfold step between the two tiers. |
| Partition limit | 4,096 on Dev, 16,384 on Fundamentals, 50,000 on Pro and 200,000+ on Enterprise. Partitions are capped by tier and not billed. | 5,000 partitions on Serverless, 112,500 on Bring Your Own Cloud. |
Where they differ.
Pricing model
- WarpStream
- Two lines, not one. A cluster-tier fee — $100 a month for Dev, $500 for Fundamentals, $1,500 for Pro — plus write throughput metered per gibibyte: $0.01/GiB to 50 TiB, falling to $0.003 beyond 6,250 TiB. Reads, partitions and storage are not billed; data sits in your own object storage.
- Redpanda
- Not published. The pricing page names two tiers, Serverless and Bring Your Own Cloud, and states throughput, partition and SLA ceilings for each — but no rate, no unit and no monthly figure appears anywhere on it. Serverless is described as pay-as-you-go or annual commit; BYOC as annual commitment only.
Sources (2) →Sources ↓
- WarpStream Pricing ↗
“uptime sla none 99.9% 99.99% 99.999%* cluster pricing $100/m $500/m $1500/m contact [...] write throughput tiers 50 TiB $0.01/GiB 250 TiB $0.0075/GiB 1250 TiB $0.0055/GiB 6250 TiB $0.004/GiB remainder $0.003/GiB”
Read 2026-09-16 · official pricing · Report a correction
- Redpanda Pricing ↗
“Pay as you go, or Annual Commit plan”
Read 2026-09-16 · official pricing · Report a correction
Uptime SLA
- WarpStream
- None at all on the $100 Dev tier. 99.9% on Fundamentals, 99.99% on Pro, and 99.999% on Enterprise only with multi-region clusters — 99.99% without.
- Redpanda
- 99.9% on Serverless, 99.99% on Bring Your Own Cloud.
Sources (2) →Sources ↓
- WarpStream Pricing ↗
“uptime sla none 99.9% 99.99% 99.999%* cluster pricing $100/m $500/m $1500/m contact [...] * 99.999% uptime sla for enterprise requires multi-region clusters (99.99% without).”
Read 2026-09-16 · official pricing · Report a correction
- Redpanda Pricing ↗
“99.9% SLA Public networking or private networking (AWS) [...] 99.99% SLA Public or private networking Intelligent tiered storage”
Read 2026-09-16 · official pricing · Report a correction
Throughput ceiling
- WarpStream
- The calculator runs from 1 MiB/s to 5 GiB/s of uncompressed write throughput, and the rate falls as the tier rises rather than the ceiling being fixed.
- Redpanda
- 100 MB/s write and 300 MB/s read on Serverless; 2 GB/s write and 4 GB/s read on Bring Your Own Cloud — a twentyfold step between the two tiers.
Sources (2) →Sources ↓
- WarpStream Pricing ↗
“write throughput (uncompressed) 1 MiB/s 10 MiB/s 100 MiB/s 500 MiB/s 1 GiB/s 5 GiB/s”
Read 2026-09-16 · official pricing · Report a correction
- Redpanda Pricing ↗
“100 MB/s max write throughput 300 MB/s max read throughput [...] 2 GB/s max write throughput 4 GB/s max read throughput”
Read 2026-09-16 · official pricing · Report a correction
Partition limit
4,096 on Dev, 16,384 on Fundamentals, 50,000 on Pro and 200,000+ on Enterprise. Partitions are capped by tier and not billed.
5,000 partitions on Serverless, 112,500 on Bring Your Own Cloud.
Sources (2) →Sources ↓
- WarpStream Pricing ↗
“maximum partitions 4,096 16,384 50,000 200,000+”
Read 2026-09-16 · official pricing · Report a correction
- Redpanda Pricing ↗
“5000 partitions [...] 112,500 partitions”
Read 2026-09-16 · official pricing · Report a correction
When these numbers change, hear about it. Sources are re-checked monthly; a repricing goes out as a short note.
Documented by only one.
These criteria are published by one provider and not the other. An absence here means we have not found a source, not that the feature is missing — except where we say we read the other provider's own page on a given date and it does not state it. Those rows lean, and the provider can correct them with a link.
Questions this comparison answers.
Should I choose WarpStream or Redpanda?
Pick WarpStream if Write-heavy workloads where inter-zone replication is the bill. Data is acknowledged straight into your own object storage, so partitions, reads and storage are not metered at all and only gigabytes written are — $0.01 falling to $0.003 at volume.
Pick Redpanda if Knowing the ceilings before you talk to anyone. It publishes throughput, partitions and SLA for both tiers — 100 MB/s and 5,000 partitions on Serverless, 2 GB/s and 112,500 on Bring Your Own Cloud — which is more capability detail than the others put on a pricing page at all.
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