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Find the right model, side by side.

Updated: Data as of:
First model
Second model

Model specifications

Specifications for GPT-6 Astra and Claude Fable 5. Prices and performance use the selected provider offering.
SpecificationsGPT-6 AstraOpenAIClaude Fable 5Anthropic
Provider
Context sizetokens1,000,0001,000,000
Cutoff date2026-04-30Not reported
Input costUSD / 1M tokens$10.00$10.00
Output costUSD / 1M tokens$50.00$50.00
Max outputtokens128,000128,000
LatencyTTFT · seconds365.127117.332
Speedtokens / sec70.56468.168

Benchmark performance

10 shared benchmark comparisons. Versions and setups matched.

GPT-6 AstraClaude Fable 5

GDPval-AA

2.1 ↗
  1. GPT-6 Astra: 1,583.69 Elo
  2. Claude Fable 5: 1,618.39 Elo