AI model comparison
Claude Opus 4.6 vs GPT-5.2
Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.
Anthropic
Claude Opus 4.6
Opus 4.6 is Anthropic’s strongest model for coding and long-running professional tasks.
- Input / 1M
- $5
- Output / 1M
- $25
- Context
- 1M
OpenAI
GPT-5.2
GPT-5.2 is the latest frontier-grade model in the GPT-5 series, offering stronger agentic and long context perfomance compared to GPT-5.1.
- Input / 1M
- $1.75
- Output / 1M
- $14
- Context
- 400K
At a glance
Quick verdict
How the two models stack up on the things people ask about most.
Lower price
GPT-5.2
2.1x cheaper for a typical chat
Higher intelligence score
Claude Opus 4.6
31.9 vs 30.4 on Artificial Analysis
Larger context window
Claude Opus 4.6
1M vs 400K tokens
Newer release
Claude Opus 4.6
Released February 4, 2026
Benchmarks
Benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
Claude Opus 4.631.9GPT-5.230.4Coding index
Claude Opus 4.6Not availableGPT-5.2Not availableAgentic index
Claude Opus 4.6Not availableGPT-5.2Not availablePricing
Claude Opus 4.6 vs GPT-5.2 API pricing
Per-token API rates. Cheaper option highlighted.
| Metric | Claude Opus 4.6 | GPT-5.2 |
|---|---|---|
| Input tokensPer 1M tokens | $5 | $1.75 |
| Output tokensPer 1M tokens | $25 | $14 |
| Cached input (read)Per 1M tokens | $0.50 | $0.18 |
| Cache writePer 1M tokens | $6.25 | Not available |
| Web searchPer request | $0.01 | $0.01 |
What it costs in practice
Estimated cost per 1,000 requests at standard rates. Coding and long-document figures also show the cost when the input is already cached.
Chat message
2K in, 500 out
Claude Opus 4.6$22.50GPT-5.2$10.50Coding task
30K in, 4K out
Claude Opus 4.6$250$115 cachedGPT-5.2$108.50$61.25 cachedLong document summary
150K in, 2K out
Claude Opus 4.6$800$125 cachedGPT-5.2$290.50$54.25 cachedSpecs
Context window and capabilities
How much each model can read, how much it can write, and what it accepts as input.
| Metric | Claude Opus 4.6 | GPT-5.2 |
|---|---|---|
| Context window | 1M tokens | 400K tokens |
| Max output | 128K tokens | 128K tokens |
| Input types | File, Image, Text | File, Image, Text |
| Output types | Text | Text |
| Reasoning effort levels | Max, High, Medium, Low | Extra high, High, Medium, Low, None |
| Default reasoning effort | High | Medium |
| Release date | February 4, 2026 | December 10, 2025 |
Features
Supported features
API features available for each model.
| Metric | Claude Opus 4.6 | GPT-5.2 |
|---|---|---|
| Tool calling | Supported | Supported |
| Structured outputs | Supported | Supported |
| JSON mode | Supported | Supported |
| Reasoning | Supported | Supported |
| Temperature | Supported | Not supported |
| Stop sequences | Supported | Not supported |
| Deterministic seed | Not supported | Supported |
| Verbosity control | Supported | Supported |
Keep exploring
More on these models
Other head-to-heads, the full model page, and the alternatives list for each model.
Claude Opus 4.6View full model details- Claude Opus 4.6 vs Claude Opus 4.8
- Claude Opus 4.6 vs Claude Opus 4.7
- Claude Opus 4.6 vs Claude Sonnet 5
- Claude Opus 4.6 vs GLM 5.2
- Claude Opus 4.6 vs Gemini 3.5 Flash
- Claude Opus 4.6 vs GPT-5.3-Codex
- Claude Opus 4.6 vs Claude Sonnet 4.6
- Claude Opus 4.6 vs Gemini 3.1 Pro Preview
- Claude Opus 4.6 vs Claude Opus 4.5
- Claude Opus 4.6 vs Claude Opus 4.1
Our take
GPT-5.2 is 2.1x cheaper for a typical chat. Claude Opus 4.6 scores higher on the Artificial Analysis Intelligence Index (31.9 vs 30.4). Claude Opus 4.6 has the larger context window (1M vs 400K tokens). The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.
FAQ
Frequently asked questions
Is Claude Opus 4.6 or GPT-5.2 cheaper?
GPT-5.2 is cheaper for a typical chat (2K input tokens and 500 output tokens). GPT-5.2 costs $1.75 per 1M input tokens and $14 per 1M output tokens, while Claude Opus 4.6 costs $5 per 1M input tokens and $25 per 1M output tokens.
Which has a bigger context window, Claude Opus 4.6 or GPT-5.2?
Claude Opus 4.6 supports up to 1M tokens of context, compared with 400K for GPT-5.2.
Is Claude Opus 4.6 smarter than GPT-5.2?
On the Artificial Analysis Intelligence Index, Claude Opus 4.6 scores 31.9 and GPT-5.2 scores 30.4, putting Claude Opus 4.6 ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.
Can I use Claude Opus 4.6 and GPT-5.2 at the same time?
Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Claude Opus 4.6 and GPT-5.2 answer side by side and keep the better response.
Why choose? Ask both.
Send one prompt to Claude Opus 4.6 and GPT-5.2 at the same time. Compare the answers side by side and keep the best one.