GPT-5.6 Breaks Records on Coding Leaderboards
OpenAIDevs · x · 2026-07-10
OpenAI highlights the superior token efficiency of GPT-5.6. On the Artificial Analysis Coding Agent Index, Sol achieved a score of 80 using the highest reasoning setting, utilizing 54% fewer output tokens and completing tasks 57% faster than the runner-up model. In knowledge work evaluations, Terra outperformed GPT-5.5 at a lower cost, while Luna approached the peak performance of GPT-5.5 at less than half the estimated API cost.
Related event: OpenAI Launches GPT-5.6 Series: Multi-Agent and Cost-Efficiency(119 posts)→
More from coding & agent
- 'My intelligence stack': developer splits AI coding work across Opus 5.5, Fable and Astra with human review gates — sh_reya · 2026-10-27
- Baseten webinar: evaluate open models for coding agents by benchmarking on your own merged PRs — baseten · 2026-10-27
- Thorsten Ball on working with agents: run more evals, automate everything, use the best models — omarsar0 · 2026-10-27
- Where to draw the approval line for scheduled agent jobs — Reddit discussion — MemStrata · 2026-10-27
- 4 MCP servers worth a look: full-text YouTube search, Chrome session reuse, Framer editing — Prior_Engineering486 · 2026-10-27
- DeepMind paper: LLMs can't sample randomly on their own — pass random numbers from code instead — rohanpaul_ai · 2026-10-27