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GPT Astra Latest vs Claude Sonnet 5

Side-by-side API pricing and Artificial Analysis performance for GPT Astra Latest (~openai) and Claude Sonnet 5 (Anthropic). Green cells mark the better value in each row.

Prices updated Sep 19, 2026, 9:09 PM UTC · refreshed hourly

GPT Astra Latest

~openai

Claude Sonnet 5

Anthropic

Pricing
Input $/1M$10.00$2.00
Output $/1M$50.00$10.00
Blended $/1M (3:1)$20.00$4.00
RAG example (30K in / 2K out)$0.4$0.08
Quality & speed
Intelligence Index38.2
Coding Index71.5
Agentic Index44.3
Output speed (tok/s)86
Time to first token120.21s
Specs
Context window1.05M1M
Input modalitiesfile, image, texttext, image, file

FAQ

Which is cheaper, GPT Astra Latest or Claude Sonnet 5?

Claude Sonnet 5 has the lower blended API price at $4.00 per 1M tokens (3:1 input:output mix), versus $20.00 for the other model. Prices are live from OpenRouter and refresh about hourly.

Which is better for RAG workloads?

For a typical RAG request (30K input / 2K output tokens), Claude Sonnet 5 costs about $0.08 per request versus $0.4. Also compare context windows: GPT Astra Latest offers 1.05M and Claude Sonnet 5 offers 1M.

Which scores higher on Artificial Analysis benchmarks?

Claude Sonnet 5 leads on the Artificial Analysis Intelligence Index (38.2 vs —). Check coding and agentic indices on this page for workload-specific tradeoffs.