••

Proprietary model

•

Released September 2026

GPT-6.1 Sol (Max) API Provider Benchmarking & Analysis

Model Comparison

This analysis is intended to support you in choosing the best API provider of GPT-6.1 Sol (Max) for your use-case.

Lowest Time per Task

#1
OpenAI (Ultrafast)OpenAI (Ultrafast)
5.8 min
#2
OpenAI (Fast)OpenAI (Fast)
14.8 min
#3
OpenAI (Flex)OpenAI (Flex)
19.4 min
#4
OpenAIOpenAI
20.3 min
#5
AzureAzure
26.1 min

Time per Intelligence Index task (minutes)

Total 5 providers

Lowest Cost per Task

#1
OpenAI (Flex)OpenAI (Flex)
$0.64
#2
OpenAIOpenAI
$1.27
#3
AzureAzure
$1.29
#4
OpenAI (Fast)OpenAI (Fast)
$2.54
#5
OpenAI (Ultrafast)OpenAI (Ultrafast)
$7.63

Cost per Intelligence Index task

Total 5 providers

GPT-6.1 Sol (max) is available through 5 API providers, each offering different performance characteristics and pricing. Below is a comparison of the key metrics across providers.

  • For time per task, OpenAI (Ultrafast) (5.8 min), OpenAI (Fast) (14.8 min), and OpenAI (Flex) (19.4 min) finish an Intelligence Index task fastest.
  • For cost per task, OpenAI (Flex) ($0.64), OpenAI ($1.27), and Azure ($1.29) are the cheapest per Intelligence Index task. Cost varies up to 11.9x 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: GPT-6.1 Sol (Max)

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

Pricing: Cache Hit, Input, and Output: GPT-6.1 Sol (Max)

Price (USD per M Tokens) · Lower is better

Output Speed vs. Cost per Task: GPT-6.1 Sol (Max)

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: GPT-6.1 Sol (Max)

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: GPT-6.1 Sol (Max)

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: GPT-6.1 Sol (Max)

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: GPT-6.1 Sol (Max)

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: GPT-6.1 Sol (Max)

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

Key Comparison Metrics & API Features

Microsoft Azure logoMicrosoft Azure
$1.29
26.1
178.11
1.0%
1M
Proprietary
OpenAI logoOpenAI
$1.27
20.3
151.46
0.0%
1M
Proprietary
OpenAI logoOpenAI
$2.54
14.8
108.91
2.6%
1M
Proprietary
OpenAI logoOpenAI
$0.64
19.4
136.29
3.6%
1M
Proprietary
OpenAI logoOpenAI
$7.63
5.8
30.39
1.6%
1M
Proprietary

Frequently Asked Questions

Common questions about GPT-6.1 Sol (Max) providers