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GPT-5.6 Terra API Pricing & Benchmarks | LMSpeed

OpenAI

GPT-5.6 Terra API Benchmarks, Pricing & Provider Data

LLM

GPT-5.6 Terra is a balanced model in OpenAI's GPT-5.6 series, positioned between the flagship Sol tier and the cost-efficient Luna tier. It is suited for everyday coding, reasoning, and agentic...

Specifications

Input and output token limits for this model, plus how it ranks on long-context understanding.

INPUT

1.1Mtokens

≈ 1.3K pages of text

OUTPUT

128Ktokens

8K128K1M4M

1.1M

Features

Technical Details

Input

Alternatives & Similar Models

Also known as

gpt-5.6-terra

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Speed & latency benchmarks

300+ models, 600+ providers

1,000 requests/day

View API Documentation

Output

Knowledge cutoff

2026-02-16

Documentation

Tokenizer

GPT

Architecture

text+image+file->text

Moderated

No

Supported parameters

include_reasoningmax_completion_tokensmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstool_choicetools

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Data as of Jul 10, 2026, 05:12 AMRankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.Standard benchmark data may include BenchLM and other public sources.