Comparison
Claude Sonnet 5 vs Grok 4.3
Claude Sonnet 5 charges 38% more per input token than Grok 4.3. On generated (output) tokens, Claude Sonnet 5 costs 75% more than Grok 4.3.
| Field | Claude Sonnet 5 | Grok 4.3 |
|---|---|---|
| Provider | Anthropic | xAI |
| Context window | 1M | 1M |
| Max output | 128K | — |
| Input / 1M | $2.00 | $1.2538% cheaper |
| Output / 1M | $10.00 | $2.5075% cheaper |
| Cached input / 1M | $0.20 | $0.20 |
| Batch discount | 50% | — |
| Release date | — | — |
Worked cost examples
Estimated monthly cost on three common usage shapes
| Workload | Claude Sonnet 5 | Grok 4.3 |
|---|---|---|
Chatbot 800 input / 200 output tokens per request, 100,000 requests/month | $360.00 | $150.00cheaper |
RAG pipeline 6,000 input / 700 output tokens per request, 30,000 requests/month | $570.00 | $277.50cheaper |
Batch summarization 20,000 input / 1,500 output tokens per request, 5,000 requests/month | $275.00 | $143.75cheaper |
Claude Sonnet 5 vs Grok 4.3 FAQ
- Is Claude Sonnet 5 cheaper than Grok 4.3?
- Claude Sonnet 5 costs $2.00 per 1M input tokens versus $1.25 for Grok 4.3 — Grok 4.3 is 60% cheaper per input token.
- Which is cheaper for output tokens, Claude Sonnet 5 or Grok 4.3?
- Claude Sonnet 5 charges $10.00 per 1M output tokens; Grok 4.3 charges $2.50 per 1M output tokens.
- Which has the larger context window, Claude Sonnet 5 or Grok 4.3?
- Claude Sonnet 5 does, with a 1,000,000-token context window.
- Do Claude Sonnet 5 and Grok 4.3 offer cache pricing?
- Claude Sonnet 5 discounts cached input to $0.20 per 1M tokens. Grok 4.3 discounts cached input to $0.20 per 1M tokens.
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