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Open weights model

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Released June 2026

Nemotron 3 Ultra 550B A55B (Reasoning) API Provider Benchmarking & Analysis

Model Comparison

This analysis is intended to support you in choosing the best API provider of Nemotron 3 Ultra 550B A55B (Reasoning) for your use-case.

Lowest Time per Task

#1
CoreWeaveCoreWeave
2.8 min
#2
NebiusNebius
4.3 min
#3
FireworksFireworks
4.3 min
#4
DeepInfra BF16DeepInfra BF16
7.3 min
#5
DeepInfraDeepInfra
9.5 min

Time per Intelligence Index task (minutes)

5 endpoints from 4 providers

Lowest Cost per Task

#1
DeepInfraDeepInfra
$1.74
#2
FireworksFireworks
$2.21
#3
CoreWeaveCoreWeave
$3.16
#4
NebiusNebius
$3.81
#5
DeepInfra BF16DeepInfra BF16
$4.03

Cost per Intelligence Index task

5 endpoints from 4 providers

Nemotron 3 Ultra is available through 5 API endpoints from 4 providers, each offering different performance characteristics and pricing. Below is a comparison of the key metrics across providers.

  • For time per task, CoreWeave (2.8 min), Nebius (4.3 min), and Fireworks (4.3 min) finish an Intelligence Index task fastest.
  • For cost per task, DeepInfra ($1.74), Fireworks ($2.21), and CoreWeave ($3.16) are the cheapest per Intelligence Index task. Cost varies up to 2.3x across providers.
Inference time (minutes) per Intelligence Index task · Lower is better
Weighted average cost (USD) per Intelligence Index task · Lower is better

Pricing

Cost per Intelligence Index Task: Nemotron 3 Ultra 550B A55B (Reasoning)

Weighted average cost (USD) per Intelligence Index task · Segmented by token type · Lower is better

Pricing: Cache Hit, Input, and Output: Nemotron 3 Ultra 550B A55B (Reasoning)

Price (USD per M Tokens) · Lower is better

Output Speed vs. Cost per Task: Nemotron 3 Ultra 550B A55B (Reasoning)

Output speed: output tokens divided by total request time, including time to first token · Weighted average cost (USD) per Intelligence Index task
Most attractive quadrant
Pareto line

Speed

Average of the single-request and multi-turn agentic workloads measured

Time per Intelligence Index Task: Nemotron 3 Ultra 550B A55B (Reasoning)

Output tokens divided by end-to-end output speed (minutes per Intelligence Index task) · Lower is better

Latency

Average of the single-request and multi-turn agentic workloads measured

Time to First Answer Token: Nemotron 3 Ultra 550B A55B (Reasoning)

Seconds until the first answer token after any reasoning · Average of the single-request and multi-turn agentic workloads measured · Lower is better

Reliability

Share of requests the endpoint failed, across all the single-request and multi-turn agentic workloads measured

Endpoint Error Rate: Nemotron 3 Ultra 550B A55B (Reasoning)

Share of requests the endpoint failed with an error, a rate limit or a timeout · Across all the single-request and multi-turn agentic workloads measured · Lower is better

Caching

Cache Hit Rate: Nemotron 3 Ultra 550B A55B (Reasoning)

Median across multi-turn agentic session runs in the last four weeks, updated Oct 26, 2026 · Higher is better

Cost per Task vs. Cache Hit Rate: Nemotron 3 Ultra 550B A55B (Reasoning)

Weighted average cost (USD) per Intelligence Index task · Cache hit rate: median of the last four weeks, updated Oct 26, 2026
Most attractive quadrant
Pareto line

Key Comparison Metrics & API Features

CoreWeave logoCoreWeave
$3.16
2.8
2.08
0.0%
262k
Open
DeepInfra logoDeepInfra
$1.74
9.5
11.26
0.9%
262k
Open
DeepInfra logoDeepInfra
$4.03
7.3
10.10
0.0%
262k
Open
Fireworks logoFireworks
$2.21
4.3
2.87
1.0%
262k
Open
Nebius logoNebius
$3.81
4.3
4.72
0.0%
256k
Open

Frequently Asked Questions

Common questions about Nemotron 3 Ultra 550B A55B (Reasoning) providers