GPT-6 Astra vs Claude Opus 5.5
Compare GPT-6 Astra vs Claude Opus 5.5 API pricing, token costs, context windows, and latency. See which model is cheaper and better for your stack.
GPT-6 Astra charges $10.00/1M input and $50.00/1M output tokens, compared to Claude Opus 5.5 at $4.00/1M input and $20.00/1M output. Claude Opus 5.5 is 2.5x cheaper on input tokens. In reasoning benchmarks, Claude Opus 5.5 holds the higher AA Intelligence Index rating (59/100). For latency-critical streaming, GPT-6 Astra delivers 47 t/s (192.0s TTFT) while Claude Opus 5.5 provides 112 t/s (351.0s TTFT).
Full Metric & Specification Comparison
| Metric | GPT-6 Astra | Claude Opus 5.5 | Advantage |
|---|---|---|---|
| Provider | OpenAI | Anthropic | - |
| Input Token Cost (1M) | $10.000 | $4.000 | Claude Opus 5.5 |
| Output Token Cost (1M) | $50.000 | $20.000 | Claude Opus 5.5 |
| Context Window | 1,050k tokens | 1,000k tokens | GPT-6 Astra |
| AA Intelligence Index | 57/100 | 59/100 | Claude Opus 5.5 |
| Streaming Latency | Deliberate | Fast | - |
Key Architectural Takeaways
- Input Token Cost: GPT-6 Astra is $10.00/1M vs Claude Opus 5.5 at $4.00/1M
- Output Token Cost: GPT-6 Astra is $50.00/1M vs Claude Opus 5.5 at $20.00/1M
- Context Window: GPT-6 Astra supports 1,050k tokens vs Claude Opus 5.5 with 1,000k tokens
- Benchmark Intelligence Rating: GPT-6 Astra scores 57/100 vs Claude Opus 5.5 at 59/100 (AA Index v5)
- Inference Latency: GPT-6 Astra is rated Deliberate vs Claude Opus 5.5 rated Fast
Calculate Your Team's Exact Bill Difference
Drag the sliders below to see real-time cost divergences based on your daily token consumption.
Deploying Claude Opus 5.5 over GPT-6 Astra saves $315.00/mo ($3780/yr) at this volume.
Frequently Asked Questions
Is GPT-6 Astra cheaper than Claude Opus 5.5?
Claude Opus 5.5 is significantly more economical, charging $4.00/1M input compared to $10.00/1M for GPT-6 Astra.
Which model should I choose for production?
If your primary constraint is API cost and high query throughput, choose Claude Opus 5.5. If you require peak reasoning accuracy and complex tool use, Claude Opus 5.5 is recommended.
How does context window compare between GPT-6 Astra and Claude Opus 5.5?
GPT-6 Astra offers the larger context window (1,050k tokens), allowing you to pass significantly larger codebases or documents without chunking.
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