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OpenAI: GPT-3.5 Turbo (older v0613) vs OpenAI: GPT-5.6 Terra Pro

OpenAI: GPT-3.5 Turbo (older v0613) and OpenAI: GPT-5.6 Terra Pro are evenly matched; the right pick depends on your priorities.

MetricOpenAI: GPT-3.5 Turbo (older v0613)OpenAI: GPT-5.6 Terra Pro
Intelligence Index
Coding Index
GPQA Diamond
Design Arena Elo
Speed (tokens/sec)
Latency
Input price /M$1.00$1.00
Output price /M$2.00$6.00
Context window4K1.1M
CapabilitiesToolsJSONReasoningToolsJSONVision

Frequently asked

Is OpenAI: GPT-3.5 Turbo (older v0613) better than OpenAI: GPT-5.6 Terra Pro?

OpenAI: GPT-3.5 Turbo (older v0613) and OpenAI: GPT-5.6 Terra Pro are evenly matched; the right pick depends on your priorities.

What are the biggest differences between OpenAI: GPT-3.5 Turbo (older v0613) and OpenAI: GPT-5.6 Terra Pro?

The table on this page compares OpenAI: GPT-3.5 Turbo (older v0613) and OpenAI: GPT-5.6 Terra Pro metric by metric — intelligence benchmarks, coding score, speed, latency, context window and per-token price — with the winner marked on each row. Data refreshes hourly.