#OpenAI

Tutorials, deep dives and product notes — built for developers.

GLM-5.2 vs GPT-5.5: The MIT Open-Weight Model That Beats OpenAI's Flagship on Pro

GLM-5.2 (62.1% Pro, MIT open-weight, $4.40/1M) beats GPT-5.5 (58.6%, $30/1M) on SWE-bench Pro by 3.5 points at 1/7 the cost. Also leads HLE w/tools (+2.5), FrontierSWE (+1.8), MCP Atlas (+1.7). GPT-5.5 counters with DeepSWE (+23.8), TB 2.1 (+3.0). Full comparison with 12 shared benchmarks from Z.AI/VentureBeat data.

· CodingFleet

GPT-5.5 vs Kimi K2.6: Tied on Pro — Separated by Everything Else

GPT-5.5 and Kimi K2.6 are tied at 58.6% SWE-bench Pro. But Kimi leads HLE w/tools (54.0%), DeepSearchQA (+13.9), and Agent Swarm (300 sub-agents). GPT counters with OSWorld (+1.9), BrowseComp, Terminal-Bench (Codex CLI 82.7%), and 7.5× higher cost. The most evenly matched comparison of 2026.

· CodingFleet

GPT-5.5 vs Gemini 3.5 Flash: OpenAI's Agentic Flagship vs Google's Speed Demon

GPT-5.5 (82.7% Terminal-Bench, 58.6% Pro, $30/1M) vs Gemini 3.5 Flash (83.6% MCP Atlas, 76.2% TB 2.1, $9/1M, 152 tok/s). GPT-5.5 dominates reasoning & long context. Flash dominates tool orchestration & speed. Official Google DeepMind model card data. 10-point verdict.

· CodingFleet

Gemini 3.1 Pro vs GPT-5.5: Google's Enterprise Workhorse vs OpenAI's Agentic Flagship

GPT-5.5 dominates agentic coding (+14.2 Terminal-Bench, +4.4 SWE-bench Pro). Gemini 3.1 Pro wins on price (2.5× cheaper), reasoning (GPQA 94.3%), and multimodal breadth. Real benchmarks, pricing analysis, and a 9-point decision matrix for choosing the right enterprise model.

· CodingFleet

Claude Fable 5 vs GPT-5.5: The Mythos Model Meets OpenAI's Flagship

Claude Fable 5 ($50/1M) vs GPT-5.5 ($30/1M). Fable 5 leads all 8 coding benchmarks (+11.8 avg). GPT-5.5 counters with lower price and Batch/Flex at $15. 5× better Pro value from Fable 5. The definitive head-to-head comparison.

· CodingFleet

Claude Fable 5 vs GPT-5.5 Pro: The $50 Mythos Model vs the $180 Parallel Compute

Claude Fable 5 ($50/1M) vs GPT-5.5 Pro ($180/1M). Fable 5 leads all 8 coding benchmarks by +11.8 pts avg. GPT-5.5 Pro fights back on BrowseComp (90.1%) and FrontierMath (39.6%) via parallel compute — but has no published Pro coding scores. Updated with separate GPT-5.5 Pro benchmarks.

· CodingFleet

AI Model Pricing Calculator: Compare 29 Models Live (June 2026)

Interactive pricing calculator comparing 29 AI coding models. Enter monthly tokens, adjust input/output ratio, toggle caching. Claude Fable 5 added at $10/$50. Updated June 9, 2026.

· CodingFleet

GPT-5.5 vs Qwen 3.7 Max: Can the $7.50 Challenger Beat OpenAI at Coding?

Qwen 3.7 Max beats GPT-5.5 on SWE-bench Pro (60.6% vs 58.6%) — the hardest coding benchmark. Costs 4x less. But GPT dominates Terminal-Bench, DeepSWE, and ARC-AGI-2. Full comparison.

· CodingFleet

Claude Sonnet 4.6 vs GPT-5.4: The $15 Coding Workhorse Showdown (June 2026)

Both $15/1M output. GPT-5.4 is faster (242.5 char/s vs 173.3 on CodingFleet) and stronger on benchmarks (SWE-bench Pro +14, Terminal-Bench +16). Sonnet 4.6 counters with 90% cache discounts, no long-context surcharge, and mature Claude Code ecosystem. The real verdict: use both.

· CodingFleet

DeepSeek V4 Pro Max vs GPT-5.4: Open Weights Beat Proprietary?

Can an MIT-licensed open-weight model beat OpenAI's proprietary GPT-5.4? DeepSeek V4 Pro Max does on SWE-bench — at 4.3× lower cost. Full benchmark and pricing comparison.

· CodingFleet

GPT-5.4 vs Gemini 3.5 Flash: Which Mid-Tier Model Wins for Coding?

GPT-5.4 vs Gemini 3.5 Flash: benchmark breakdown, pricing comparison, and which mid-tier model delivers the best value for coding, terminal automation, and multi-tool orchestration in 2026.

· CodingFleet

Claude Opus 4.8 vs GPT-5.5: The Ultimate 2026 AI Model Comparison

A comprehensive, data-driven comparison of Claude Opus 4.8 and GPT-5.5 — the two frontier AI models battling for supremacy in May 2026. Benchmark deep-dives, pricing analysis, DeepSWE controversy, and practical guidance on which model to use.

· CodingFleet