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Anthropic vs DeepSeek
DeepSeek's MIT-licensed models cost a fraction of Claude's list price and ship as open weights. Anthropic answers with coding quality, cloud availability and no data stored in China.
By The Subconscious Team · Updated
Anthropic vs DeepSeek: key differences
The price gap is wide. DeepSeek V4 Pro costs $1.32 in and $3.96 out at peak, and every off-peak hour is exactly half, which covers most US business hours. V4.1 Flash is $0.30 in and $1.20 out at peak. Anthropic ranges from $1 in and $5 out on Haiku 4.5 to $10 in and $50 out on Fable 5.1. Both cover 1M context, and DeepSeek allows up to 384K output. Both have cheap cache reads, a few cents per million or less at DeepSeek and $0.25 on Fable, which matters for agents that reread long prefixes.
Price is not the whole bill, though. DeepSeek stores data from its hosted API in China, which ends the conversation for many enterprises, and it retires and reprices models often enough that cost models need regular checking. Anthropic sells the same Claude models on Bedrock, Vertex AI and Microsoft Foundry, which eases procurement, and leads on real-world coding benchmarks. DeepSeek's open MIT weights are the escape hatch: any other host can serve them, or you can fine-tune and self-host. Cost-sensitive batch and off-peak agents suit DeepSeek. Regulated coding work suits Claude.
What Anthropic and DeepSeek do
Anthropic
Anthropic sells the Claude family of closed models through its own API, Amazon Bedrock, Google Vertex AI and Microsoft Foundry. The public lineup today runs from Claude Fable 5.1 at the top, released September 1, 2026, through the Opus and Sonnet tiers down to Haiku 4.5. List prices span a tenfold range, from $10 in and $50 out on Fable to $1 in and $5 out on Haiku. The top three tiers include a 1M token context window at standard pricing with no surcharge past 200K.
Example models: Claude Fable 5.1, Claude Haiku 4.5
Full Anthropic profileDeepSeek
DeepSeek is the Chinese lab whose open-weight models reset price expectations for the whole market. Its API now serves two models, both with 1M context and 384K max output. V4.1 Flash shipped September 10, 2026 with built-in image understanding at $0.30 in and $1.20 out at peak. V4 Pro, generally available since August 13, costs $1.32 in and $3.96 out at peak. Cache hits cost a few cents per million or less, and the weights ship on Hugging Face under an MIT license.
Example models: DeepSeek V4.1 Flash, DeepSeek V4 Pro
Full DeepSeek profileShould you choose Anthropic or DeepSeek?
Anthropic
Choose Anthropic for
- Enterprises that cannot send data to China-hosted APIs
- Top-tier coding quality through major cloud marketplaces
- Stable pricing across long-lived agent products
DeepSeek
Choose DeepSeek for
- Cost-sensitive agents scheduled into off-peak hours
- Self-hosting or fine-tuning MIT-licensed weights
- Very long outputs, up to 384K tokens
Anthropic vs DeepSeek at a glance
| Attribute | Anthropic | DeepSeek |
|---|---|---|
| Model access | Closed | Open weights (MIT) |
| Flagship models | Claude Fable 5.1, Opus, Sonnet, Haiku 4.5 | DeepSeek V4.1 Flash, V4 Pro |
| Speed | Fable is the slowest tier | ~35 tok/s on V4 Pro |
| Price | $1–$10 in, $5–$50 out per 1M | Off-peak hours at half price |
| Customization | N/A | Open weights to fine-tune |
| Deployment | API, Bedrock, Vertex AI, Microsoft Foundry | First-party API, Hugging Face weights |
| Long context | 1M, no surcharge past 200K | 1M, 384K max output |
Frequently asked questions
What is the difference between Anthropic and DeepSeek?
DeepSeek's MIT-licensed models cost a fraction of Claude's list price and ship as open weights. Anthropic answers with coding quality, cloud availability and no data stored in China.
When should I choose Anthropic over DeepSeek?
Enterprises that cannot send data to China-hosted APIs; Top-tier coding quality through major cloud marketplaces; Stable pricing across long-lived agent products.
When should I choose DeepSeek over Anthropic?
Cost-sensitive agents scheduled into off-peak hours; Self-hosting or fine-tuning MIT-licensed weights; Very long outputs, up to 384K tokens.
Is Anthropic or DeepSeek cheaper?
Anthropic: $1–$10 in, $5–$50 out per 1M. DeepSeek: Off-peak hours at half price. The cheaper choice depends on the model and workload.
Which has more context, Anthropic or DeepSeek?
Anthropic: 1M, no surcharge past 200K. DeepSeek: 1M, 384K max output.
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If your agents run past 200K tokens, compare both against Subconscious. Our inference stack treats a long-horizon trace as the primary workload, so speed, cost, and accuracy hold up deep into the trace.