AtlasCloud vs Ionstream: LLM provider comparison

At a glance

Metric winners

There is no overall score. Each winner answers one specific question using only directly comparable data.

Fastest on shared models

AAtlasCloud

3.18× typical advantage

3 exact models with complete recent speed data

Lowest token cost

IIonstream

$1.3649 / 1M

3 exact models using a 1K-input/500-output mix

Most models available

AAtlasCloud

32 models

Complete catalog coverage across all indexed modalities

Shared-model benchmark summary

Metric	AAtlasCloud☆☆☆☆☆(0)	IIonstream☆☆☆☆☆(0)
Speed	AtlasCloud13.63 s	Ionstream43.38 s
TTFT	AtlasCloud2.27 s	Ionstream1.72 s
TPS	AtlasCloud44.0 tok/s	Ionstream12.0 tok/s
Uptime	AtlasCloud98.70%	Ionstream94.97%
Blended	AtlasCloud$1.5311 / 1M	Ionstream$1.3649 / 1M

Model	AAtlasCloud☆☆☆☆☆(0)	IIonstream☆☆☆☆☆(0)
ZA GLM 5.2Winner · Ionstream	AtlasCloud Speed— Worst comparable value 19.85 s TTFT— Worst comparable value 3.19 s TPS— Worst comparable value 30.0 tok/s Uptime 99.33% Context 1M Route atlas-cloud/fp8 Blended— Best comparable value $2.16 / 1M	Ionstream Speed— Best comparable value 12.96 s TTFT— Best comparable value 1.33 s TPS— Best comparable value 43.0 tok/s Uptime N/a Context 1M Route ionstream/fp4 Blended— Worst comparable value $2.4 / 1M
D DeepSeek V4 ProWinner · AtlasCloud	AtlasCloud Speed— Best comparable value 13.63 s TTFT— Worst comparable value 2.27 s TPS— Best comparable value 44.0 tok/s Uptime— Best comparable value 97.55% Context 1M Route atlas-cloud/fp4 Blended— Worst comparable value $2.2467 / 1M	Ionstream Speed— Worst comparable value 43.38 s TTFT— Best comparable value 1.72 s TPS— Worst comparable value 12.0 tok/s Uptime— Worst comparable value 91.56% Context 1M Route ionstream/fp4 Blended— Best comparable value $1.508 / 1M
D DeepSeek V4 FlashWinner · AtlasCloud	AtlasCloud Speed— Best comparable value 9.19 s TTFT— Best comparable value 1.26 s TPS— Best comparable value 63.0 tok/s Uptime— Best comparable value 99.86% Context 1M Route atlas-cloud/fp4 Blended $0.1867 / 1M	Ionstream Speed— Worst comparable value 46.17 s TTFT— Worst comparable value 4.50 s TPS— Worst comparable value 12.0 tok/s Uptime— Worst comparable value 98.38% Context 1M Route ionstream/fp4 Blended $0.1867 / 1M

A per-model winner combines blended price and estimated 500-token response time with equal proportional weight. Ties and rows missing either measurement receive no badge. Comparison data calculated Jul 24, 2026, 6:19 PM UTC. Values use one deterministic route per provider and model; missing measurements remain visible as N/a.