LLM Price Watch

Claude Haiku 4.5 vs DeepSeek V3: which budget model wins on price?

DeepSeek V3 undercuts Claude Haiku 4.5 substantially — $0.27 vs $1.00 per million input tokens, $1.10 vs $5.00 output. At 300M input/80M output tokens a month, that's $169 for DeepSeek V3 versus $700 for Haiku 4.5, roughly a 4x gap. Haiku 4.5's 200K context window against DeepSeek V3's 128K is the main thing to weigh against that price difference.

Verified · pricing checked against Anthropic and DeepSeek's own API documentation
ModelInput /1MOutput /1MContext
DeepSeek V3$0.27$1.10128K tokens
Claude Haiku 4.5$1.00$5.00200K tokens

An unusually wide gap for the same tier

Both models are explicitly positioned as budget-tier by their providers, which makes the roughly 4x price gap here wider than typical same-tier comparisons — most budget-vs-budget matchups land within 1.5-2x of each other. That width is exactly why it's worth checking rather than assuming: defaulting to a familiar provider at this tier can cost meaningfully more for equivalent-tier work, depending on what your task actually needs beyond raw price.

Worked example

At 300M input/80M output tokens a month — a realistic high-volume budget-tier workload — DeepSeek V3 costs $169/month against Haiku 4.5's $700/month, a $531 gap. Scale to 3B input/800M output and the gap widens to $5,310/month. The proportional gap stays roughly constant, but the absolute dollar impact compounds fast at real production volume.

How we'd actually decide

Price alone points clearly to DeepSeek V3 for high-volume, well-defined tasks — classification, extraction, short-form generation — where 128K tokens is enough headroom. Haiku 4.5's case is the extra 72K of context window and sitting inside Anthropic's own tooling and safety practices, which some workloads specifically require independent of price. If neither of those applies to your task, the 4x gap is hard to justify on features alone — test both against your actual workload before committing.

Pricing verified 15 July 2026, non-cached list pricing. Use the calculator with your own volume for an exact estimate.

Frequently asked questions

Is Claude Haiku 4.5 or DeepSeek V3 cheaper?

DeepSeek V3 is substantially cheaper on both input ($0.27 vs $1.00 per million tokens) and output ($1.10 vs $5.00). At 300M input/80M output tokens a month, that's $169 for DeepSeek V3 versus $700 for Haiku 4.5 — roughly a 4x gap.

Why would anyone pay 4x more for Haiku 4.5 if DeepSeek V3 is cheaper?

Context window is the main structural difference — Haiku 4.5 offers 200K tokens versus DeepSeek V3's 128K, meaningful headroom for longer documents or conversation history. Beyond that, provider and ecosystem matter: Haiku sits inside Anthropic's tooling and safety practices, which some workloads specifically require regardless of the price gap.

Is this a fair budget-tier comparison?

Yes — both are explicitly positioned as budget-tier options by their respective providers, aimed at high-volume, well-defined tasks rather than complex reasoning. The price gap here is unusually large for a same-tier comparison, which is exactly why it's worth checking before defaulting to either one.

What's the actual dollar impact of the price gap at scale?

It compounds fast. At 3B input/800M output tokens a month, the gap widens from $531/month to $5,310/month between the two. For any workload running at real production volume, this is a difference worth modeling explicitly rather than defaulting to a familiar provider.