# Riak KV vs Upstash

**Leader by Vioscale score:** Upstash

| Attribute | Riak KV | Upstash |
|---|---|---|
| **Vioscale score** | 26.3 (45% (low)) | 73.5 (73% (medium)) |
| activity.commits_last_30d | 0 | - |
| adoption.github_stars | 17 | - |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"cloud":true}` |
| description.long | A scalable, enterprise-focused database solution designed for distributed data storage and retrieval at scale. | A cloud platform offering serverless Redis, vector databases, message queues, and workflow orchestration designed for developers building serverless applications, with usage-based and fixed-rate pricing options. |
| features.capabilities | `{"clustering":"sharded","deployment":"self_hosted","consistency":"tunable","eviction_ttl":true,"storage_tier":"persistent","data_structures":"kv_only"}` | `{"ann_index":"HNSW","clustering":"replicated","deployment":"managed","serverless":true,"consistency":"strong","persistence":"durable","eviction_ttl":true,"storage_tier":"persistent","transactions":"multi_exec","hybrid_search":true,"licence_class":"proprietary","multi_tenancy":true,"product_class":"dedicated_dbms","wire_protocol":"resp","full_text_bm25":true,"multi_threaded":false,"pubsub_streams":true,"data_structures":"rich_types","distance_metrics":"cosine","horizontal_scale":"sharded_distributed","redis_api_compat":"full","metadata_filtering":"pre_filter"}` |
| integrations.count | 4 | 7 |
| integrations.list | `[{"name":"Apache Spark"},{"name":"Apache Solr"},{"name":"Apache Mesos"},{"name":"Redis"}]` | `[{"name":"Cloudflare Workers"},{"name":"Auth0"},{"name":"MongoDB"},{"name":"MySQL"},{"name":"PostgreSQL"},{"name":"Debezium"},{"name":"JDBC"},{"name":"FluentBit"}]` |
| language.primary | Erlang | - |
| license.spdx | Apache-2.0 | - |
| market.availability | - | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | - | `{"cli":true,"web":true}` |
| pricing | `{"freeTier":true,"sourceUrl":"https://riak.com","retrievedAt":"2026-08-03T21:12:35.768Z"}` | `{"type":"hybrid","plans":[{"free":true,"name":"Pay-as-you-go","summary":"$0.20 per 100K commands, $0.25/GB after 1 GB free","features":["1 GB storage included","Automatic scaling","Per-request billing","No minimum charge when idle"],"components":[{"kind":"per_unit","unit":"100K commands","amount":0.2,"period":"per","currency":"USD"},{"per":{"qty":1,"unit":"GB"},"kind":"metered","amount":0.25,"currency":"USD"}],"contactSales":false,"includedLimits":{"storage":"1 GB free"}},{"free":false,"name":"Fixed Plans","summary":"$10 to $1,500/month depending on tier","features":["Entry plan: 250 MB storage, 50 GB bandwidth","High-end plan: 500 GB storage, 20 TB bandwidth, 16k commands/sec","No per-command billing","Predictable costs"],"components":[{"kind":"fixed","amount":10,"period":"month","currency":"USD"}],"description":"Flat monthly pricing with included throughput and storage","contactSales":false},{"free":false,"name":"Enterprise","summary":"Custom pricing","features":["100K+ commands per second","Custom SLA","Dedicated support"],"description":"Custom plans for high-throughput production workloads","contactSales":true,"includedLimits":{"throughput":"100K+ commands per second"}}],"summary":"Pay-as-you-go from $0 idle + $0.20 per 100K commands; fixed plans from $10–$1,500/month; enterprise available","currency":"USD","freeTier":true,"sourceUrl":"https://upstash.com/blog/aws-elasticache-pricing-explained-2026-full-cost-breakdown","retrievedAt":"2026-08-24T22:36:52.447Z","startingPrice":{"amount":10,"period":"month","currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | freemium |
| pricing.price_level | low | low |
| pricing.starting_price | - | `{"amount":10,"currency":"USD"}` |
| pricing.transparent | - | yes |
| reliability.sla_pct | - | 99.99 |
| reliability.status_page | yes | yes |
| security.disclosure_policy | - | yes |
| security.gdpr | - | yes |
| security.hipaa | - | yes |
| security.soc2 | - | yes |

## Capabilities (Key-Value Stores)

| Capability | Riak KV | Upstash |
|---|:--:|:--:|
| **Storage** |  |  |
| Storage tier | Persistent | Persistent |
| Persistence | - | Fully durable |
| Data structures | KV-only | Rich types |
| **Protocol** |  |  |
| Wire protocol | - | RESP (Redis) |
| **Distribution** |  |  |
| Clustering | Sharded | Replicated |
| Consistency | Tunable | Strong |
| **Ops** |  |  |
| Eviction / TTL policies | ✓ | ✓ |
| Multi-threaded | - | ✗ |
| Pub/Sub / streams | - | ✓ |
| Transactions / atomic ops | - | MULTI-EXEC |
| **Deployment** |  |  |
| Deployment | Self-hosted | Managed |
| **Licensing** |  |  |
| Licence class | - | Proprietary |
| **Compatibility** |  |  |
| Redis API compatibility | - | Full |

*Source: Vioscale. Generated 2026-09-01T16:30:45.405Z. "-" = undocumented, not absent.*