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Models/gpt-5-6-terra

GPT 5.6 Terra

Seventh on Android Bench 1.0 at 86.8%, run cost $48.0.

OpenAI · Proprietary · Fetched 2026-10-10

LMArena WebDev
1520
#57 / 153 · ±6
LMArena Image-to-WebDev
1541
#31 / 65 · ±9
Terminal-Bench 4.0
21.5%
#27 / 35 · ±3.3

Benchmark scores

Boards older than 90 days are not counted as recommendations
BenchmarkSettingScoreRankCostAs of
LMArena WebDevxhigh1520±6#57—2026-10-27
LMArena Image-to-WebDevxhigh1541±9#31—2026-10-19
Terminal-Bench 4.0max · Codex21.5±3.3#27$1.7k2026-10-06
The Slop Index—67#13—2026-10-28
EQ-Bench Creative Writing v3—1856.2#19—2026-10-29
Convex Evals2 runs69.64#20$1.932026-10-28
ReactBenchmax39.036.5–41.4#15$1.132026-10-19
DeepSWE v1.1max · mini-swe-agent69.667.1–72.2#6$4.952026-09-22
SWE-bench Verified—This board has stopped updating——2026-02-26
Aider Polyglot—This board has stopped updating——2025-11-20

Use it or not

Why
  • Cheaper than the leader, with a score still in the high 80s.
When not
  • Luna is cheaper and ranks higher.

Appears in these scenarios

Collected from scenario boards
Build a Web frontend#6DeepSWE 69.6%Build an Android app#6DeepSWE 69.6%Write CLI, scripts, and DevOps#6DeepSWE 69.6%Write docs & copy#13Slop Index 67

Peers

ModelWebDevPrice $/M
GPT 5.6 TerraCurrent1520—Claude Sonnet 4.61523—GPT 5.6 Luna1519—