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Claude Haiku 4.5 vs DeepSeek V4 Pro: pricing and benchmarks

Claude Haiku 4.5 is 24% cheaper on input tokens ($1.00 vs $1.32 per 1M). DeepSeek V4 Pro is 21% cheaper on output tokens ($3.96 vs $5.00 per 1M). On our document Q&A workload (50,000 questions a month), Claude Haiku 4.5 costs $550.00 a month versus $646.80 for DeepSeek V4 Pro, 15% less. DeepSeek V4 Pro scores 155.5 on the Epoch Capabilities Index vs 142.4 for Claude Haiku 4.5.

Prices verified September 14, 2026.

Which should you choose?

Overall capability
DeepSeek V4 Pro

DeepSeek V4 Pro scores 155.5 on the Epoch Capabilities Index vs 142.4 for Claude Haiku 4.5.

Price
DeepSeek V4 Pro

DeepSeek V4 Pro costs $1.98 per 1M tokens (3:1 input-to-output mix) vs $2.00 for Claude Haiku 4.5, 1% less.

Best value
DeepSeek V4 Pro

DeepSeek V4 Pro delivers equal or higher overall capability for 1% less.

Pricing and specs

Claude Haiku 4.5DeepSeek V4 Pro
ProviderAnthropicDeepSeek
API model IDclaude-haiku-4-5-20251001deepseek-v4-pro
Input / 1M tokens$1.00$1.32
Cached input / 1M tokens$0.10$0.044
Output / 1M tokens$5.00$3.96
Long-context rates
Context window200K tokens1M tokens
Max output64K tokens384K tokens
Batch discount50% off

Benchmarks

Claude Haiku 4.5DeepSeek V4 Pro
Epoch Capabilities Index142.4155.5
GPQA Diamond· Science reasoning61.6%88.9%
FrontierMath (Tiers 1–3)· Advanced math64.6%
SimpleQA Verified· Factual accuracy13.2%52.9%
ARC-AGI-2· Abstract reasoning4.0%61.3%
DeepSWE· Coding
APEX-Agents· Agentic work8.9%

Source: Epoch AI, best recorded result per model (CC BY 4.0). A dash means no published score. See all benchmarks

Monthly cost for real workloads

WorkloadClaude Haiku 4.5DeepSeek V4 ProDifference
Support chatbot
100,000 replies a month, ~1,500 input tokens (system prompt + history) and ~400 output tokens each.
$350.00$356.40Claude Haiku 4.5 2% cheaper
Document Q&A (RAG)
50,000 questions a month with ~8,000 tokens of retrieved context and ~600 output tokens each.
$550.00$646.80Claude Haiku 4.5 15% cheaper
Coding agent
10,000 agent steps a month, ~40,000 input tokens each (70% read from the prompt cache) and ~2,000 output tokens.
$248.00$249.92Claude Haiku 4.5 1% cheaper

Estimates use standard list prices and ignore cache-write surcharges. Different tokenizers can count the same text differently, so test with your own prompts.

Claude Haiku 4.5 vs DeepSeek V4 Pro cost calculator

Standard-tier list prices. Long-context rates apply automatically where the provider publishes a threshold. Excludes cache-write surcharges, taxes, batch and volume discounts.

Claude Haiku 4.5 pricing notes

Anthropic’s fastest model, with near-frontier intelligence.

  • Cache writes cost $1.25 (5-minute cache) or $2 (1-hour cache) per 1M tokens.
  • Uses Anthropic’s previous tokenizer.
Anthropic official pricing ↗

DeepSeek V4 Pro pricing notes

DeepSeek’s larger V4 model with thinking and non-thinking modes and tool calls.

  • Prices shown are peak rates. Off-peak rates are half: peak hours are 01:00–04:00 and 06:00–10:00 UTC, Monday to Friday.
  • Vision input is not supported.
DeepSeek official pricing ↗

Frequently asked questions

Is Claude Haiku 4.5 cheaper than DeepSeek V4 Pro?
Claude Haiku 4.5 is 24% cheaper on input tokens ($1.00 vs $1.32 per 1M). DeepSeek V4 Pro is 21% cheaper on output tokens ($3.96 vs $5.00 per 1M). On our document Q&A workload (50,000 questions a month), Claude Haiku 4.5 costs $550.00 a month versus $646.80 for DeepSeek V4 Pro, 15% less.
Which is more capable, Claude Haiku 4.5 or DeepSeek V4 Pro?
DeepSeek V4 Pro scores 155.5 on the Epoch Capabilities Index vs 142.4 for Claude Haiku 4.5.
How much does Claude Haiku 4.5 cost per 1M tokens?
Claude Haiku 4.5 costs $1.00 per 1M input tokens and $5.00 per 1M output tokens, and $0.10 per 1M cached input tokens on Anthropic’s standard tier.
How much does DeepSeek V4 Pro cost per 1M tokens?
DeepSeek V4 Pro costs $1.32 per 1M input tokens and $3.96 per 1M output tokens, and $0.044 per 1M cached input tokens on DeepSeek’s standard tier.
Which has the larger context window, Claude Haiku 4.5 or DeepSeek V4 Pro?
DeepSeek V4 Pro has the larger context window: 1M tokens versus 200K for Claude Haiku 4.5.

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