The daily briefing

GPT-5.6 Sol: OpenAI outlines GPT-5.6 agent architecture guidance

Friday, August 14, 2026 · what moved in the AI release cycle in those 24 hours.

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New benchmark readings

Amazon Nova 2 Pro GDP.pdf: 2 · Epoch AI
Gemini 3.5 Flash-Lite LM Arena: 1458.0938499631006 · LM Arena
Gemini 3.5 Flash-Lite MultimodalGrounded: 62.3 · BenchLM.ai
Gemini 3.5 Flash-Lite Knowledge: 59.6 · BenchLM.ai
Gemini 3.6 Flash Coding: 64.57 · BenchLM.ai
Gemini 3.6 Flash Knowledge: 68.1 · BenchLM.ai
Gemini 3.6 Flash MultimodalGrounded: 72.7 · BenchLM.ai
Gemini 3.6 Flash GDP.pdf: 14 · Epoch AI
Kimi K3 MultimodalGrounded: 87.9 · BenchLM.ai
Kimi K3 Coding: 77.58 · BenchLM.ai
Kimi K3 Agentic: 73.91 · BenchLM.ai
Kimi K3 Knowledge: 84.8 · BenchLM.ai
Amazon Nova Humanity's Last Exam: 3.6 · Epoch AI
Amazon Nova LM Arena: 1290.0655927446464 · LM Arena
Amazon Nova 2 Lite LM Arena: 1335.8758281270889 · LM Arena
Claude 3 Haiku LM Arena: 1261.1289711782633 · LM Arena
Claude 3 Opus LM Arena: 1321.6730917616835 · LM Arena
Claude 3 Sonnet LM Arena: 1280.8267433247293 · LM Arena
Claude 3.5 Haiku LM Arena: 1323.9520596503685 · LM Arena
Claude 3.5 Sonnet Humanity's Last Exam: 4.1 · Epoch AI
Claude 3.5 Sonnet LM Arena: 1342.7312404545787 · LM Arena
Claude 3.7 Sonnet Humanity's Last Exam: 8 · Epoch AI
Claude 3.7 Sonnet LM Arena: 1371.576967936472 · LM Arena
Claude Fable 5 LM Arena: 1506.4861215268 · LM Arena
Claude Fable 5 Coding: 80.09 · BenchLM.ai
Claude Fable 5 Agentic: 75.31 · BenchLM.ai
Claude Fable 5 GDP.pdf: 30 · Epoch AI
Claude Fable 5 Knowledge: 67.1 · BenchLM.ai
Claude Haiku 4.5 ExploitBench: 13.4 · Epoch AI
Claude Haiku 4.5 LM Arena: 1412.5469102911902 · LM Arena
Claude Mythos 5 Coding: 80.34 · BenchLM.ai
Claude Mythos 5 Agentic: 75.56 · BenchLM.ai
Claude Mythos 5 ExploitBench: 70.6 · Epoch AI
Claude Opus 4 Humanity's Last Exam: 6.7 · Epoch AI
Claude Opus 4 LM Arena: 1412.5155063164764 · LM Arena
Claude Opus 4.1 Humanity's Last Exam: 7.9 · Epoch AI
Claude Opus 4.1 LM Arena: 1447.191393397333 · LM Arena
Claude Opus 4.5 Coding: 61.52 · BenchLM.ai
Claude Opus 4.5 Knowledge: 60.4 · BenchLM.ai
Claude Opus 4.5 Math: 58.3 · BenchLM.ai
Claude Opus 4.5 MultimodalGrounded: 28.9 · BenchLM.ai
Claude Opus 4.5 Multilingual: 82.9 · BenchLM.ai
Claude Opus 4.5 Humanity's Last Exam: 14.2 · Epoch AI
Claude Opus 4.5 LM Arena: 1469.0584808171195 · LM Arena
Claude Opus 4.5 InstructionFollowing: 49.4 · BenchLM.ai
Claude Opus 4.6 LM Arena: 1497.2282406798458 · LM Arena
Claude Opus 4.6 Coding: 61.33 · BenchLM.ai
Claude Opus 4.6 Agentic: 57.15 · BenchLM.ai
Claude Opus 4.6 Knowledge: 82.7 · BenchLM.ai
Claude Opus 4.6 Humanity's Last Exam: 19 · Epoch AI
Claude Opus 4.7 LM Arena: 1494.1523533732184 · LM Arena
Claude Opus 4.7 Coding: 64.79 · BenchLM.ai
Claude Opus 4.7 Agentic: 56.63 · BenchLM.ai
Claude Opus 4.7 Knowledge: 66.4 · BenchLM.ai
Claude Opus 4.7 Humanity's Last Exam: 36.2 · Epoch AI
Claude Opus 4.7 ExploitBench: 23.9 · Epoch AI
Claude Opus 4.7 GDP.pdf: 21 · Epoch AI
Claude Opus 4.7 MultimodalGrounded: 48.1 · BenchLM.ai
Claude Opus 4.8 LM Arena: 1473.6383017341473 · LM Arena
Claude Opus 4.8 Coding: 71.98 · BenchLM.ai
Claude Opus 4.8 Agentic: 60.44 · BenchLM.ai
Claude Opus 4.8 Knowledge: 87.6 · BenchLM.ai
Claude Opus 4.8 MultimodalGrounded: 87.9 · BenchLM.ai
Claude Opus 4.8 GDP.pdf: 23 · Epoch AI
Claude Opus 4.8 Math: 66.7 · BenchLM.ai
Claude Opus 5 Coding: 77.68 · BenchLM.ai
Claude Opus 5 Agentic: 80.34 · BenchLM.ai
Claude Opus 5 Knowledge: 93.4 · BenchLM.ai
Claude Opus 5 MultimodalGrounded: 88.4 · BenchLM.ai
Claude Sonnet 4 Humanity's Last Exam: 5.5 · Epoch AI
Claude Sonnet 4 LM Arena: 1389.4748627915792 · LM Arena
Claude Sonnet 4.5 Humanity's Last Exam: 7.5 · Epoch AI
Claude Sonnet 4.5 LM Arena: 1454.872796728284 · LM Arena
Claude Sonnet 4.6 LM Arena: 1471.9860897858625 · LM Arena
Claude Sonnet 4.6 Coding: 58.48 · BenchLM.ai
Claude Sonnet 4.6 Agentic: 51.74 · BenchLM.ai
Claude Sonnet 4.6 Knowledge: 76.9 · BenchLM.ai
Claude Sonnet 4.6 ExploitBench: 23.6 · Epoch AI
Claude Sonnet 5 Coding: 68.14 · BenchLM.ai
Claude Sonnet 5 Agentic: 66.29 · BenchLM.ai
Claude Sonnet 5 Knowledge: 85.8 · BenchLM.ai
Command A LM Arena: 1353.902862247206 · LM Arena
Command A MultimodalGrounded: 8 · BenchLM.ai
Command R LM Arena: 1226.3125318596108 · LM Arena
Command R+ LM Arena: 1261.284659139727 · LM Arena
DeepSeek LLM LM Arena: 1184.2380906190483 · LM Arena
DeepSeek V4 Flash LM Arena: 1435.4199889187405 · LM Arena
DeepSeek V4 Pro SWE-Bench Pro: 55.4 · Hugging Faceself reported
DeepSeek V4 Pro LM Arena: 1458.1767726138548 · LM Arena
DeepSeek-R1 LM Arena: 1398.1767066962868 · LM Arena
DeepSeek-V2.5 LM Arena: 1307.1693988992329 · LM Arena
DeepSeek-V3 LM Arena: 1358.508010135937 · LM Arena
DeepSeek-V3.1 LM Arena: 1416.4704872567295 · LM Arena
DeepSeek-V3.2-Exp LM Arena: 1422.5666789881102 · LM Arena
ERNIE 5.1 LM Arena: 1468.0475839254732 · LM Arena
Gemini 1.0 LM Arena: 1222.9293736554398 · LM Arena
Gemini 1.5 Flash LM Arena: 1309.2583161483353 · LM Arena
Gemini 1.5 Pro Humanity's Last Exam: 4.6 · Epoch AI
Gemini 1.5 Pro LM Arena: 1351.1931885099948 · LM Arena
Gemini 2.0 Flash Humanity's Last Exam: 6.6 · Epoch AI
Gemini 2.0 Flash LM Arena: 1360.3665498487048 · LM Arena
Gemini 2.5 Flash Humanity's Last Exam: 11 · Epoch AI
Gemini 2.5 Flash LM Arena: 1410.15494585144 · LM Arena
Gemini 2.5 Pro Humanity's Last Exam: 17.8 · Epoch AI
Gemini 2.5 Pro LM Arena: 1445.4052588540608 · LM Arena
Gemini 3 Pro Coding: 61.64 · BenchLM.ai
Gemini 3 Pro Agentic: 58.44 · BenchLM.ai
Gemini 3 Pro Knowledge: 72.5 · BenchLM.ai
Gemini 3 Pro MultimodalGrounded: 72.8 · BenchLM.ai
Gemini 3 Pro Humanity's Last Exam: 37.5 · Epoch AI
Gemini 3 Pro LM Arena: 1485.4834177575933 · LM Arena
Gemini 3.1 Pro Knowledge: 70.4 · BenchLM.ai
Gemini 3.1 Pro MultimodalGrounded: 80.6 · BenchLM.ai
Gemini 3.1 Pro GDP.pdf: 17 · Epoch AI
Gemini 3.1 Pro Humanity's Last Exam: 46.4 · Epoch AI
Gemini 3.1 Pro ExploitBench: 26.1 · Epoch AI
Gemini 3.1 Pro LM Arena: 1486.4668823819263 · LM Arena
Gemini 3.5 Flash Coding: 61.52 · BenchLM.ai
Gemini 3.5 Flash Reasoning: 71.5 · BenchLM.ai
Gemini 3.5 Flash MultimodalGrounded: 83.4 · BenchLM.ai
Gemini 3.5 Flash InstructionFollowing: 82.9 · BenchLM.ai
Gemini 3.5 Flash GDP.pdf: 14 · Epoch AI
Gemini 3.5 Flash Knowledge: 63.4 · BenchLM.ai
Glm 5 2 Coding: 64.73 · BenchLM.ai
Glm 5 2 Agentic: 58.11 · BenchLM.ai
Glm 5 2 Knowledge: 82.5 · BenchLM.ai
GLM-4 LM Arena: 1273.1368552970023 · LM Arena
GLM-4.5 Humanity's Last Exam: 8.1 · Epoch AI
GLM-4.5 LM Arena: 1373.0259224321962 · LM Arena
GLM-4.6 SWE-Bench Pro: 9.7 · Hugging Faceself reported
GLM-4.6 LM Arena: 1424.4204170529672 · LM Arena
GLM-4.7 LM Arena: 1441.6639081539633 · LM Arena
GLM-5 Coding: 58.4 · BenchLM.ai
GLM-5 Agentic: 54.98 · BenchLM.ai
GLM-5 Knowledge: 77.9 · BenchLM.ai
GLM-5 Math: 56.9 · BenchLM.ai
GLM-5 Multilingual: 48.7 · BenchLM.ai
GLM-5 InstructionFollowing: 86 · BenchLM.ai
GLM-5 LM Arena: 1456.7996930658353 · LM Arena
GLM-5.1 Coding: 55.24 · BenchLM.ai
GLM-5.1 Math: 64.2 · BenchLM.ai
GLM-5.1 ExploitBench: 16 · Epoch AI
GLM-5.1 SWE-Bench Pro: 58.4 · Hugging Faceself reported
GLM-5.1 LM Arena: 1467.3950976922722 · LM Arena
GLM-5.2 LM Arena: 1470.984140727889 · LM Arena
GLM-5.2 SWE-Bench Pro: 62.1 · Hugging Faceself reported
GPT-3.5 Turbo LM Arena: 1224.7190093239776 · LM Arena
GPT-4 LM Arena: 1275.431047486772 · LM Arena
GPT-4 Turbo LM Arena: 1312.4755653477923 · LM Arena
GPT-4.1 InstructionFollowing: 58.6 · BenchLM.ai
GPT-4.1 Humanity's Last Exam: 5.4 · Epoch AI
GPT-4.1 LM Arena: 1414.0614345731026 · LM Arena
GPT-4.5 Humanity's Last Exam: 5.4 · Epoch AI
GPT-4.5 LM Arena: 1444.6920659438367 · LM Arena
GPT-4o Humanity's Last Exam: 2.7 · Epoch AI
GPT-4o LM Arena: 1335.3036342118858 · LM Arena
GPT-4o mini LM Arena: 1317.7978773949235 · LM Arena
GPT-5 Humanity's Last Exam: 19.4 · Epoch AI
GPT-5.1 Humanity's Last Exam: 6.8 · Epoch AI
GPT-5.1 LM Arena: 1438.674151034307 · LM Arena
GPT-5.2 Coding: 53.87 · BenchLM.ai
GPT-5.2 Knowledge: 81.7 · BenchLM.ai
GPT-5.2 MultimodalGrounded: 68.9 · BenchLM.ai
GPT-5.2 Humanity's Last Exam: 27.8 · Epoch AI
GPT-5.2 LM Arena: 1435.512717957001 · LM Arena
GPT-5.4 Coding: 58.5 · BenchLM.ai
GPT-5.4 Agentic: 57.34 · BenchLM.ai
GPT-5.4 Knowledge: 77.3 · BenchLM.ai
GPT-5.4 MultimodalGrounded: 67.3 · BenchLM.ai
GPT-5.4 Humanity's Last Exam: 36.2 · Epoch AI
GPT-5.4 LM Arena: 1465.519559042224 · LM Arena
GPT-5.5 Agentic: 60.14 · BenchLM.ai
GPT-5.5 GDP.pdf: 25 · Epoch AI
GPT-5.5 LM Arena: 1476.6692460957795 · LM Arena
GPT-5.5 MultimodalGrounded: 68.2 · BenchLM.ai
GPT-5.5 Coding: 71.29 · BenchLM.ai
GPT-5.5 Knowledge: 79.3 · BenchLM.ai
GPT-5.5 ExploitBench: 41.8 · Epoch AI
GPT-5.5 Instant LM Arena: 1473.3555292924889 · LM Arena
GPT-5.6 Luna Coding: 72.55 · BenchLM.ai
GPT-5.6 Luna Agentic: 54.21 · BenchLM.ai
GPT-5.6 Luna Knowledge: 81.6 · BenchLM.ai
GPT-5.6 Luna MultimodalGrounded: 66 · BenchLM.ai
GPT-5.6 Luna GDP.pdf: 22.7 · Epoch AI
GPT-5.6 Sol Coding: 78.63 · BenchLM.ai
GPT-5.6 Sol Agentic: 67.9 · BenchLM.ai
GPT-5.6 Sol Knowledge: 83.6 · BenchLM.ai
GPT-5.6 Sol MultimodalGrounded: 84.7 · BenchLM.ai
GPT-5.6 Sol GDP.pdf: 30.7 · Epoch AI
GPT-5.6 Terra Coding: 65.62 · BenchLM.ai
GPT-5.6 Terra Agentic: 62.53 · BenchLM.ai
GPT-5.6 Terra Knowledge: 82.2 · BenchLM.ai
GPT-5.6 Terra MultimodalGrounded: 75.3 · BenchLM.ai
GPT-5.6 Terra GDP.pdf: 24.7 · Epoch AI
gpt-oss SWE-Bench Pro: 16.2 · Hugging Faceself reported
gpt-oss LM Arena: 1317.5397339648462 · LM Arena
gpt-oss Knowledge: 62.7 · BenchLM.ai
Granite 3 LM Arena: 1182.4326601560815 · LM Arena
Granite 4.1 LM Arena: 1305.8910300492244 · LM Arena
Grok 4 LM Arena: 1409.3019090478028 · LM Arena
Grok 4.1 LM Arena: 1459.367609269414 · LM Arena
Grok 4.20 MultimodalGrounded: 35.9 · BenchLM.ai
Grok 4.3 GDP.pdf: 8 · Epoch AI
Grok 4.3 LM Arena: 1441.5325284831802 · LM Arena
Grok 4.3 InstructionFollowing: 94.4 · BenchLM.ai
Grok 4.3 Knowledge: 55.4 · BenchLM.ai
Grok 4.5 LM Arena: 1468.6578219099113 · LM Arena
Grok 4.5 Coding: 57.5 · BenchLM.ai
Grok 4.5 Agentic: 61.34 · BenchLM.ai
Grok 4.5 Knowledge: 71.7 · BenchLM.ai
Grok 4.6 Coding: 60.59 · BenchLM.ai
Grok 4.6 Agentic: 60.09 · BenchLM.ai
Kimi K2 SWE-Bench Pro: 27.7 · Hugging Faceself reported
Kimi K2.5 Coding: 53.41 · BenchLM.ai
Kimi K2.5 Knowledge: 57.4 · BenchLM.ai
Kimi K2.5 Math: 62.5 · BenchLM.ai
Kimi K2.5 Multilingual: 38.2 · BenchLM.ai
Kimi K2.5 InstructionFollowing: 89.8 · BenchLM.ai
Kimi K2.5 Humanity's Last Exam: 24.4 · Epoch AI
Kimi K2.5 SWE-Bench Pro: 50.7 · Hugging Faceself reported
Kimi K2.6 MultimodalGrounded: 67 · BenchLM.ai
Kimi K2.6 GDP.pdf: 12 · Epoch AI
Kimi K2.6 ExploitBench: 16.3 · Epoch AI
Kimi K2.6 SWE-Bench Pro: 58.6 · Hugging Faceself reported
Kimi K2.6 LM Arena: 1460.5838917611031 · LM Arena
Kimi K2.6 Math: 72 · BenchLM.ai
Kimi K2.6 Knowledge: 55 · BenchLM.ai
Kimi K2.7 Code Coding: 52.98 · BenchLM.ai
Llama 3.3 LM Arena: 1318.2324468796523 · LM Arena
Llama 4 Humanity's Last Exam: 5.7 · Epoch AI
Llama 4 LM Arena: 1322.4888144600643 · LM Arena
MiniMax M2 LM Arena: 1345.5546497774667 · LM Arena
MiniMax M2.1 SWE-Bench Pro: 36.8 · Hugging Faceself reported
MiniMax M2.1 LM Arena: 1384.1125758772807 · LM Arena
MiniMax M2.5 SWE-Bench Pro: 55.4 · Hugging Faceself reported
MiniMax M2.5 LM Arena: 1390.2251336120028 · LM Arena
MiniMax M2.7 ExploitBench: 13.3 · Epoch AI
MiniMax M2.7 SWE-Bench Pro: 56.2 · Hugging Faceself reported
MiniMax M2.7 LM Arena: 1416.1942405258137 · LM Arena
MiniMax M3 SWE-Bench Pro: 59 · Hugging Faceself reported
MiniMax M3 LM Arena: 1443.6447532990983 · LM Arena
MiniMax M3 Knowledge: 64.2 · BenchLM.ai
MiniMax M3 MultimodalGrounded: 47.5 · BenchLM.ai
MiniMax-M1 LM Arena: 1363.2639548638417 · LM Arena
Mistral 7B LM Arena: 1109.616575315032 · LM Arena
Mistral Large LM Arena: 1241.9791394571994 · LM Arena
Mistral Large 2 LM Arena: 1305.39650343423 · LM Arena
Mistral Large 3 GDP.pdf: 2 · Epoch AI
Mistral Large 3 LM Arena: 1414.6893773000875 · LM Arena
Mistral Medium 3 Humanity's Last Exam: 4.5 · Epoch AI
Mistral Medium 3 LM Arena: 1387.0332885624612 · LM Arena
Mixtral 8x22B LM Arena: 1228.9986001576472 · LM Arena
Mixtral 8x7B LM Arena: 1196.591563592367 · LM Arena
Muse Spark Humanity's Last Exam: 40.6 · Epoch AI
Muse Spark LM Arena: 1488.0025579887613 · LM Arena
Muse Spark Coding: 62.67 · BenchLM.ai
Muse Spark Agentic: 64.7 · BenchLM.ai
Muse Spark MultimodalGrounded: 75.6 · BenchLM.ai
Nemotron 3 Knowledge: 53.1 · BenchLM.ai
Nemotron 3 Multilingual: 47.4 · BenchLM.ai
Nemotron 3 InstructionFollowing: 95.3 · BenchLM.ai
Nemotron 3 GDP.pdf: 2 · Epoch AI
Nemotron-4 340B LM Arena: 1276.718000300793 · LM Arena
North Mini Code SWE-Bench Pro: 40.2 · Hugging Faceself reported
o1 InstructionFollowing: 84.9 · BenchLM.ai
o1 Humanity's Last Exam: 8 · Epoch AI
o1 LM Arena: 1388.5195205261764 · LM Arena
o3 Humanity's Last Exam: 19.2 · Epoch AI
o3 LM Arena: 1430.681376325559 · LM Arena
o3-mini InstructionFollowing: 89.8 · BenchLM.ai
o3-mini LM Arena: 1347.8727002197088 · LM Arena
o4-mini Humanity's Last Exam: 14.3 · Epoch AI
o4-mini LM Arena: 1389.8165292879648 · LM Arena
Phi-3 LM Arena: 1127.6627318913793 · LM Arena
Phi-4 LM Arena: 1256.1473184647011 · LM Arena
Qwen 3 SWE-Bench Pro: 21.4 · Hugging Faceself reported
Qwen 3 LM Arena: 1374.8457948755208 · LM Arena
Qwen 3 Multilingual: 1 · BenchLM.ai
Qwen 3 Knowledge: 72.4 · BenchLM.ai
Qwen 3.5 Coding: 52.61 · BenchLM.ai
Qwen 3.5 Knowledge: 56.5 · BenchLM.ai
Qwen 3.5 MultimodalGrounded: 66.1 · BenchLM.ai
Qwen 3.5 Multilingual: 21.1 · BenchLM.ai
Qwen 3.5 InstructionFollowing: 84 · BenchLM.ai
Qwen 3.5 LM Arena: 1441.8460921635492 · LM Arena
Qwen 3.6 Knowledge: 46.6 · BenchLM.ai
Qwen 3.6 MultimodalGrounded: 52.1 · BenchLM.ai
Qwen 3.6 Multilingual: 69.7 · BenchLM.ai
Qwen 3.6 InstructionFollowing: 86.6 · BenchLM.ai
Qwen 3.6 SWE-Bench Pro: 49.5 · Hugging Faceself reported
Qwen 3.6 Math: 62.6 · BenchLM.ai
Qwen 3.7 Max Coding: 54.11 · BenchLM.ai
Qwen 3.7 Max Knowledge: 71.7 · BenchLM.ai
Qwen 3.7 Max Multilingual: 100 · BenchLM.ai
Qwen 3.7 Max InstructionFollowing: 92.6 · BenchLM.ai
Qwen 3.7 Max LM Arena: 1473.9155834221583 · LM Arena
Qwen3-Coder SWE-Bench Pro: 38.7 · Hugging Faceself reported
Qwen3-Coder LM Arena: 1387.72706278512 · LM Arena
Qwen3-Coder-Next SWE-Bench Pro: 44.3 · Hugging Faceself reported
Qwen3-Max LM Arena: 1434.347755649198 · LM Arena
QwQ-32B LM Arena: 1154.4001322707688 · LM Arena

News & rumors added

NewsGPT-5.6 Sol

OpenAI outlines GPT-5.6 agent architecture guidance

OpenAI's builder guide recommends combining model selection, persisted reasoning, compaction, native multi-agent orchestration, and programmatic tool calling when designing GPT-…

OpenAI · Aug 13, 2026

Read at openai.com

NewsGPT-5.6 Sol

Previewing Ultrafast mode: GPT-5.6 Sol at up to 14X the speed

OpenAI previewed Ultrafast, a limited-access API service tier for GPT-5. 6 Sol that it says is powered by Cerebras and can generate up to 750 output tokens per second, or up to…

OpenAI · Aug 13, 2026

Read at openai.com

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