Head-to-head LLM & AI model comparisons.
The matchups people actually weigh up: each shared benchmark, what the same job costs in Australian dollars, and whether your data can stay in Australia. Every model here can be used from Australia through its maker’s API.
14 COMPARISONSUPDATED 23 SEP 2026
COMPARISONS14 PAIRS
Claude Fable 5.1 vs GPT-6 Astra#3 vs #7 overall.Compare →Claude Opus 5 vs GPT-5.6 Sol#4 vs #12 overall. GPT-5.6 Sol is 1.3× cheaper.Compare →Claude Fable 5.1 vs Claude Opus 5#3 vs #4 overall. Claude Opus 5 is 2.0× cheaper.Compare →Claude Opus 5 vs Claude Sonnet 5#4 vs #37 overall. Claude Sonnet 5 is 2.5× cheaper.Compare →Claude Sonnet 5 vs GPT-5.6 Terra#37 vs #28 overall. Claude Sonnet 5 is 1.1× cheaper.Compare →GPT-6 Astra vs GPT-5.6 Sol#7 vs #12 overall. GPT-5.6 Sol is 2.5× cheaper.Compare →Gemini 3.8 Flash vs GPT-5.6 Luna#13 vs #42 overall. GPT-5.6 Luna is 3.3× cheaper.Compare →Gemini 3.8 Flash vs Claude Sonnet 5#13 vs #37 overall. Gemini 3.8 Flash is 2.7× cheaper.Compare →Grok 4.6 vs GPT-5.6 Sol#35 vs #12 overall. Grok 4.6 is 2.7× cheaper.Compare →Muse Spark 1.3 vs GPT-6 Astra#5 vs #7 overall. Muse Spark 1.3 is 10× cheaper.Compare →Kimi K3 vs GLM-5.3#15 vs #14 overall. GLM-5.3 is 2.8× cheaper.Compare →Qwen3.8 Max vs Kimi K3#16 vs #15 overall. Qwen3.8 Max is 2.0× cheaper.Compare →DeepSeek V4 Pro vs GLM-5.3#38 vs #14 overall. DeepSeek V4 Pro is 1.1× cheaper.Compare →DeepSeek V4 Flash vs Gemini 3.8 Flash#41 vs #13 overall. DeepSeek V4 Flash is 2.3× cheaper.Compare →
Ratings: LMArena leaderboard dataset (CC BY 4.0), rescaled for the lens scores · leaderboards to 22 Sep 2026
Evaluations, prices and speed: Artificial Analysis (artificialanalysis.ai) · fetched 23 Sep 2026
Exchange rate: Reserve Bank of Australia, table F11.1 · A$1 = US$0.7123 on 22 Sep 2026 · prices exclude GST
Snapshot 23 Sep 2026 · updated weekly · How the rankings work →
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