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Find the right model, side by side.

Updated: Data as of:
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Model specifications

Specifications for GPT-6.1 Sol and GPT-6 Astra. Prices and performance use the selected provider offering.
SpecificationsGPT-6.1 SolOpenAIGPT-6 AstraOpenAI
Provider
Context sizetokens1,000,0001,000,000
Cutoff dateNot reported2026-04-30
Input costUSD / 1M tokens$2.00$10.00
Output costUSD / 1M tokens$10.00$50.00
Max outputtokens128,000128,000
LatencyTTFT · seconds315.664365.127
Speedtokens / sec88.96770.564

Benchmark performance

15 shared benchmark comparisons. Versions and setups matched.

GPT-6.1 SolGPT-6 Astra

GDPval-AA

2.1 ↗
  1. GPT-6.1 Sol: 1,608.89 Elo
  2. GPT-6 Astra: 1,583.69 Elo