LOADING DATASHEET
GROUNDED IN REAL HUMAN CONVERSATIONSYOUR BENCH
GPT 5.6 Terra
by OpenAI
CLOSEDHOSTEDCODING HELPWRITING HELPCOMPLEX TASKSPROBLEM SOLVING
RANKED #78 OF 271 ASSISTANTS · OVERALL #127 OF 6,567 · VIBE SCORE 6.2 · 826 VOICES
An advanced OpenAI model designed to assist with complex tasks and writing.
HAPPY8.7
56 mentions
SAD6.3
67 mentions
VIBE TRAJECTORY
26 weeks · 1,211 voices
QUIETLY DEGRADING
Recent vibe and chatter are both sliding.
HOW TO USE IT
Closed model. OpenAI hosts it, so you use it through an app or an API.
PREFER OPEN SOURCE? THE CROWD HAS PICKS
GPT 5.6 Terra is closed, so you rent it. These open-weight models can genuinely stand in for it. Download once, own forever.
- OPEN WEIGHTS6.9
Kimi K3MoonshotFrontier-level multimodal intelligence and massive context for complex workflows.🏆 NEAR-PEER QUALITY💻 STRONG AT CODE🔒 PRIVATE & OFFLINE2.1k VOICESMATCH★★★ - OPEN WEIGHTS5.4
Llama 4 MaverickMetaTop-tier open-weight coding, reasoning, and vision on efficient hardware.🏆 NEAR-PEER QUALITY💻 STRONG AT CODE❤️ CROWD FAVORITE2.1k VOICESMATCH★★★
WHAT THE INTERNET SAYS
Users love GPT 5.6 Terra for its reliable coding help. However, many people complain that it is expensive to use.
763 POSTS · 63 COMMENTS · REDDIT · DEV FORUMS · GITHUB · HACKER NEWS · BLUESKY · X · DEV.TO · BLOG · LEMMY
PEOPLE LOVE
- Popular for coding help (4 mentions)
- Stable and dependable (2 mentions)
PEOPLE COMPLAIN ABOUT
- People find it expensive (4 mentions)
- Refuses or lectures more than people like (3 mentions)
TOPIC BY TOPIC
- PriceMIXED FEELINGS
3 thumbs up · 4 thumbs down
- Help with codeMOSTLY POSITIVE
4 thumbs up · 3 thumbs down
- Saying no too muchA SORE SPOT
0 thumbs up · 3 thumbs down
- Working when you need itMOSTLY POSITIVE
2 thumbs up · 1 thumbs down
LOOKING FOR AN ALTERNATIVE?
Checked picks first: tags say why you would switch, stars say how fully each one stands in for GPT 5.6 Terra.
Grok 4.6
Qwen3.8 27B> SOURCES (12)
- REDDIT · 2026-07-30 · 649 UPVOTESGPT‑5.6 Luna will cost 80% less, while GPT‑5.6 Terra will cost 20% less.
GPT‑5.6 Luna will cost 80% less, while GPT‑5.6 Terra will cost 20% less.
- REDDIT · 2026-07-30 · 622 UPVOTESOpenAI just cut GPT-5.6 Luna API pricing by 80% — the price/performance is insane
OpenAI just cut GPT-5.6 Luna API pricing by 80% — the price/performance is insane
- X · 2026-08-14 · 409 UPVOTES🚨 GPT-5.6 Zinc Leak: OpenAI may be preparing a surprise upgrade before GPT-6 arrives > Zinc and Magnesium have surfaced
🚨 GPT-5.6 Zinc Leak: OpenAI may be preparing a surprise upgrade before GPT-6 arrives > Zinc and Magnesium have surfaced
- X · 2026-08-13 · 350 UPVOTESGoogle has released Gemini 3.7 Flash, improving 4 points over Gemini 3.6 Flash and reaching the Intelligence vs. Time pe
Google has released Gemini 3.7 Flash, improving 4 points over Gemini 3.6 Flash and reaching the Intelligence vs. Time pe
- X · 2026-08-14 · 287 UPVOTESWe received GLM-5.3 in advance to evaluate its cyber capabilities. It's very strong, precise, and the most consistent OS
We received GLM-5.3 in advance to evaluate its cyber capabilities. It's very strong, precise, and the most consistent OS
- REDDIT · 2026-07-14 · 281 UPVOTESDifferences Between GPT-5.5 Pro and GPT-5.6 Sol on MineBench
Differences Between GPT-5.5 Pro and GPT-5.6 Sol on MineBench
- X · 2026-08-21 · 197 UPVOTESAnnouncing MLCR-AA, our leaderboard for Wisedocs' MLCR (Medical Long Context Reasoning) benchmark for reasoning over lon
Announcing MLCR-AA, our leaderboard for Wisedocs' MLCR (Medical Long Context Reasoning) benchmark for reasoning over lon
- X · 2026-08-21 · 186 UPVOTES#Keep4o #OpenSource4o #BringBack4o 🚨 The " Yes Man " test 🚨 In April 2025,OpenAI rolled back a GPT-4o update,calling i
#Keep4o #OpenSource4o #BringBack4o 🚨 The " Yes Man " test 🚨 In April 2025,OpenAI rolled back a GPT-4o update,calling i
- REDDIT · 2026-08-17 · 129 UPVOTESQwen3.8 (27b) performs better than GPT-5.6-Terra (Max) for Agentic tasks
Qwen3.8 (27b) performs better than GPT-5.6-Terra (Max) for Agentic tasks
- REDDIT · 2026-08-02 · 113 UPVOTESDeepSeek V4 Flash 0731 matches Sonnet 5 and GPT-5.6 Terra at Baba Is You, at 1/40th the price
DeepSeek V4 Flash 0731 matches Sonnet 5 and GPT-5.6 Terra at Baba Is You, at 1/40th the price
- DEV FORUMS · 2026-08-22 · 3 UPVOTESCodex Rate Limits Discussion Thread
Codex Rate Limits Discussion Thread
- DEV FORUMS · 2026-08-26 · 0 UPVOTESCodex Rate Limits Discussion Thread
Codex Rate Limits Discussion Thread