Claude Opus 4.7 vs GPT Realtime
Claude Opus 4.7 and GPT Realtime are both current production-tier models. GPT Realtime is meaningfully cheaper at $4 / $16 per 1M. Claude Opus 4.7 has a 1M context window — about 8× the 128k of GPT Realtime. Claude Opus 4.7 leads on coding, reasoning, general knowledge.
Specs side by side
| Metric | Anthropic Claude Opus 4.7 | OpenAI GPT Realtime |
|---|---|---|
| Input price (per 1M) | $5 | $4 |
| Output price (per 1M) | $25 | $16 |
| Context window | 1M tokens | 128k tokens |
| Speed tier | slow | ultra |
| Open weights | No | No |
| EU region | Yes | Yes |
| Free tier | No | No |
| Prompt caching | Yes | No |
| Vision input | Yes | No |
| Extended thinking | Yes | No |
When to choose each
Choose Claude Opus 4.7 if…
- You need 1M context (8× more than GPT Realtime)
- HIPAA eligibility is required
- You need image input / vision
- Coding is central to your workload
- Reasoning is central to your workload
Choose GPT Realtime if…
- Low latency matters (ultra vs slow)
- You need realtime speech-to-speech
Benchmark delta
Claude Opus 4.7 leads on
- Coding
- Reasoning
- General knowledge
- Long-context retrieval
- Instruction following
- Tool use
GPT Realtime leads on
GPT Realtime has no meaningful benchmark lead in this pair.
FAQ — Claude Opus 4.7 vs GPT Realtime
Claude Opus 4.7 vs GPT Realtime — which is better?
Claude Opus 4.7 and GPT Realtime are both current production-tier models. GPT Realtime is meaningfully cheaper at $4 / $16 per 1M. Claude Opus 4.7 has a 1M context window — about 8× the 128k of GPT Realtime. Claude Opus 4.7 leads on coding, reasoning, general knowledge. The right pick depends on your use case — see "When to choose each" above for a data-driven decision.
How does Claude Opus 4.7 pricing compare to GPT Realtime?
Claude Opus 4.7 costs $5 / $25 per 1M vs GPT Realtime at $4 / $16 per 1M. GPT Realtime is cheaper on output tokens by roughly 56%. Both support prompt caching, which reduces effective cost by 80-90% on repeat system prompts.
Does Claude Opus 4.7 or GPT Realtime have the bigger context window?
Claude Opus 4.7 has a 1M-token context window — 8× the 128k context of GPT Realtime. Enough for entire codebases, books, or multi-document RAG.
Is there a free tier for Claude Opus 4.7 or GPT Realtime?
Claude Opus 4.7: no — Free via Claude.ai web chat; API requires paid credits. GPT Realtime: no — Paid-only.
Which is better for coding — Claude Opus 4.7 or GPT Realtime?
Claude Opus 4.7 leads on coding benchmarks (Claude Opus 4.7: 97/100, GPT Realtime: 78/100). For production coding agents also weigh tool-use performance — Claude Opus 4.7 scores 96, GPT Realtime scores 84.