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Agentic Chat (Claude Fable 5.1) vs Agentic Chat (GPT-6 Astra)

Both have similar output pricing, while Agentic Chat (GPT-6 Astra) offers a larger context window. Choose Agentic Chat (Claude Fable 5.1) or Agentic Chat (GPT-6 Astra) based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecAgentic Chat (Claude Fable 5.1)Agentic Chat (GPT-6 Astra)
ProviderGitLab DuoGitLab Duo
Input / 1M tokens$0.00$0.00
Output / 1M tokens$0.00$0.00
Context window1M1.1M
Parameters——
Open weightsNoNo
ReleasedSep 2026Sep 2026

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.