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Claude Haiku 4.5 (batch) vs GPT-5.6 Terra

Side-by-side API pricing and Artificial Analysis performance for Claude Haiku 4.5 (batch) (Anthropic) and GPT-5.6 Terra (OpenAI). Green cells mark the better value in each row.

Prices updated Sep 19, 2026, 2:24 AM UTC · refreshed hourly

Claude Haiku 4.5 (batch)

Anthropic

GPT-5.6 Terra

OpenAI

Pricing
Input $/1M$0.50$2.00
Output $/1M$2.50$12.00
Blended $/1M (3:1)$1.00$4.50
RAG example (30K in / 2K out)$0.02$0.084
Quality & speed
Intelligence Index17.642.3
Coding Index43.976.7
Agentic Index10.343.7
Output speed (tok/s)89
Time to first token134.62s
Specs
Context window200K1.05M
Input modalitiestext, image, filefile, image, text

FAQ

Which is cheaper, Claude Haiku 4.5 (batch) or GPT-5.6 Terra?

Claude Haiku 4.5 (batch) has the lower blended API price at $1.00 per 1M tokens (3:1 input:output mix), versus $4.50 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 Haiku 4.5 (batch) costs about $0.02 per request versus $0.084. Also compare context windows: Claude Haiku 4.5 (batch) offers 200K and GPT-5.6 Terra offers 1.05M.

Which scores higher on Artificial Analysis benchmarks?

GPT-5.6 Terra leads on the Artificial Analysis Intelligence Index (42.3 vs 17.6). Check coding and agentic indices on this page for workload-specific tradeoffs.