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Claude Opus 4.6 vs GPT-3.5 Turbo (batch)

Side-by-side API pricing and Artificial Analysis performance for Claude Opus 4.6 (Anthropic) and GPT-3.5 Turbo (batch) (OpenAI). Green cells mark the better value in each row.

Prices updated Sep 7, 2026, 4:32 PM UTC · refreshed hourly

Claude Opus 4.6

Anthropic

GPT-3.5 Turbo (batch)

OpenAI

Pricing
Input $/1M$5.00$0.25
Output $/1M$25.00$0.75
Blended $/1M (3:1)$10.00$0.375
RAG example (30K in / 2K out)$0.2$0.009
Quality & speed
Intelligence Index30.81
Coding Index10.7
Agentic Index
Output speed (tok/s)00
Time to first token0s0s
Specs
Context window1M16K
Input modalitiestext, image, filetext

FAQ

Which is cheaper, Claude Opus 4.6 or GPT-3.5 Turbo (batch)?

GPT-3.5 Turbo (batch) has the lower blended API price at $0.375 per 1M tokens (3:1 input:output mix), versus $10.00 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), GPT-3.5 Turbo (batch) costs about $0.009 per request versus $0.2. Also compare context windows: Claude Opus 4.6 offers 1M and GPT-3.5 Turbo (batch) offers 16K.

Which scores higher on Artificial Analysis benchmarks?

Claude Opus 4.6 leads on the Artificial Analysis Intelligence Index (30.8 vs 1). Check coding and agentic indices on this page for workload-specific tradeoffs.