Anthropic API Alternatives
Anthropic is fine on its own — but here is every other provider we route to, compared on price, wire compatibility, and what a migration would actually cost in engineering time. We route to all 11, so this table has no reason to steer you anywhere in particular.
Provider comparison
| Provider | Median price/M | Median tok/s | Effort | Operational trade |
|---|---|---|---|---|
| Amazon | $0.11 | 108 | rewrite | No operational facts lost vs the source provider |
| Groq | $0.26 | 780 | config | Loses: no prompt caching, no published SLA |
| DeepSeek | $0.36 | 100 | config | Loses: no batch discount, no published SLA |
| Mistral | $0.45 | 118 | config | Loses: no prompt caching |
| Cerebras | $1.41 | 2215 | config | Loses: no prompt caching, no batch discount, no published SLA |
| Z.ai | $2.15 | — | config | Loses: no prompt caching, no batch discount, no published SLA |
| Qwen | $2.80 | 49 | code-change | Loses: no prompt caching, no batch discount, no published SLA |
| xAI | $3.00 | 98 | config | Loses: no prompt caching, no batch discount, no published SLA |
| $3.38 | 114 | code-change | No operational facts lost vs the source provider | |
| OpenAI | $4.50 | 78 | config | No operational facts lost vs the source provider |
What your Anthropic stack becomes
The closest cross-provider alternative for each of Anthropic's top current models by price.
| Anthropic model | Closest alternative | Effort | Price Δ | Biggest gap |
|---|---|---|---|---|
| Claude Fable 5 | GPT-5.6 Terra (OpenAI) | config | -77.5% | Context drops from 1,000,000 to 400,000 tokens |
| Claude Opus 4.8 | GPT-5.6 Luna (OpenAI) | config | -95.5% | Context drops from 500,000 to 400,000 tokens |
| Claude Sonnet 4.6 | GPT-5.6 Luna (OpenAI) | config | -92.5% | No extended-thinking mode |
| Claude Haiku 4.5 | GPT-5.6 Luna (OpenAI) | config | -77.5% | None significant |
FAQ
What's the easiest provider to switch to from Anthropic?
Groq — a config change, since it's fully OpenAI-compatible like Anthropic.
Is switching away from Anthropic worth it?
Depends on the model. Check the model-mapping table below: each of Anthropic's current models is matched against its closest cross-provider alternative, with the price delta and what you'd give up.
Do I have to pick one provider?
No — All AI Ask routes to Anthropic and every provider in the table below through one API key, so you can compare live instead of committing upfront.