AiCostCompare

GPT-5.6 Sol vs GLM 5.3 (batch)

Side-by-side API pricing and Artificial Analysis performance for GPT-5.6 Sol (OpenAI) and GLM 5.3 (batch) (Z.ai). Green cells mark the better value in each row.

Prices updated Sep 18, 2026, 12:34 PM UTC · refreshed hourly

GPT-5.6 Sol

OpenAI

GLM 5.3 (batch)

Z.ai

Pricing
Input $/1M$2.00$0.70
Output $/1M$10.00$2.20
Blended $/1M (3:1)$4.00$1.07
RAG example (30K in / 2K out)$0.08$0.0254
Quality & speed
Intelligence Index47.144.9
Coding Index77.474.8
Agentic Index50.553.4
Output speed (tok/s)66
Time to first token71.20s
Specs
Context window1.05M1.05M
Input modalitiesfile, image, texttext

FAQ

Which is cheaper, GPT-5.6 Sol or GLM 5.3 (batch)?

GLM 5.3 (batch) has the lower blended API price at $1.07 per 1M tokens (3:1 input:output mix), versus $4.00 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), GLM 5.3 (batch) costs about $0.0254 per request versus $0.08. Also compare context windows: GPT-5.6 Sol offers 1.05M and GLM 5.3 (batch) offers 1.05M.

Which scores higher on Artificial Analysis benchmarks?

GPT-5.6 Sol leads on the Artificial Analysis Intelligence Index (47.1 vs 44.9). Check coding and agentic indices on this page for workload-specific tradeoffs.