Head-to-head · Updated
Data verifiedFor most people, Claude Sonnet 4.6 is the better daily-driver in 2026. It leads ChatGPT (GPT-5.4) on coding benchmarks (79.6% vs 74.9% SWE-bench), writing quality, and context window (1M vs 272K tokens). ChatGPT's one clear advantage is desktop computer-use — the ability to click, type, and control apps via API — a capability Claude doesn't offer. For everyday writing, coding, and research, Claude wins on the numbers.
GPT-5.4
Best for agentic automation and desktop control workflows.
Claude Sonnet 4.6
Best daily driver for coding and writing — the model most developers actually reach for.
Winner| GPT-5.4 | Claude Sonnet 4.6 | |
|---|---|---|
| Input cost / 1M tokens | $$2.50/1M | $$3.00/1M |
| Output cost / 1M tokens | $$15.00/1M | $$15.00/1M |
| Context window | 272k tokens | 1M tokens |
| Speed | Balanced | Balanced |
| Price tier | Premium | Premium |
| Benchmarks | ||
| SWE-bench (coding) | 74.9% | 79.6% |
| Arena Elo | 1,355 | 1,340 |
| MMLU | 91% | 88.3% |
Which model wins for each use case — and why.
Claude Sonnet 4.6 scores 79.6% on SWE-bench vs GPT-5.4's 74.9%. It also powers Cursor and Windsurf by default — the two most popular AI code editors.
Claude Sonnet 4.6 consistently produces cleaner prose, better tone control, and stronger long-form structure. For editorial, marketing, and content work, it's the stronger pick.
Claude Sonnet 4.6's 1M token context window vs GPT-5.4's 272K means it can process far more source material in a single prompt — a real advantage for research synthesis.
GPT-5.4 is currently the only frontier model with desktop computer-use via API — it can click, type, and navigate software autonomously. Claude has no equivalent capability.
Both are priced nearly identically: GPT-5.4 at $2.50/1M input, Claude Sonnet 4.6 at $3/1M input. Not a meaningful difference for most teams.
Pick GPT-5.4 if…
Pick Claude Sonnet 4.6 if…
Bottom line
For most workflows, Claude Sonnet 4.6 is the stronger choice.
The best all-around model for most developers and writers. Strong SWE-bench, excellent writing, 1M context — all at $3/1M input. Hard to beat as a daily driver.
Is ChatGPT or Claude better in 2026?
For most use cases — coding, writing, and research — Claude Sonnet 4.6 leads. ChatGPT (GPT-5.4) wins when you need agentic desktop control or are deeply integrated into OpenAI's ecosystem.
Which is better for coding — ChatGPT or Claude?
Claude Sonnet 4.6 is better for coding. It scores 79.6% on SWE-bench vs GPT-5.4's 74.9%, and is the default model in Cursor and Windsurf.
Which is better for writing — ChatGPT or Claude?
Claude Sonnet 4.6 is better for writing. It produces cleaner, more natural prose with stronger tone control and long-form structure than GPT-5.4.
Is ChatGPT cheaper than Claude?
Barely. GPT-5.4 costs $2.50/1M input tokens, Claude Sonnet 4.6 costs $3/1M. The $0.50 difference is negligible for most workloads.
What can ChatGPT do that Claude can't?
GPT-5.4 can control a desktop computer via API — clicking, typing, and navigating apps. This is a genuinely unique capability for agentic automation that Claude currently doesn't offer.
Which has a bigger context window?
Claude Sonnet 4.6 wins by a wide margin: 1M tokens vs GPT-5.4's 272K. For analyzing large codebases, legal documents, or research papers in one pass, Claude is the clear pick.
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