Claude · Fast / Budget · 200K context window

Claude Haiku 4.5 pricing for math reasoning

$0.0165 per call at 1,500 input / 3,000 output tokens.

Per call

$0.0165

10K calls/mo

$165

Cache savings

90% off input

Batch savings

50% off all

Calculate your Claude Haiku 4.5 costs

Adjust token counts, volume, and discount toggles to model your math reasoning spend. Pricing updated weekly.

Configure your usage

1,500
100100K
3,000
5050K
10,000
1001M

Estimated cost

Monthly cost
$165
10,000 calls/month
Cost per call$0.0165
Daily cost$6
Input rate$1.00/MTok
Output rate$5.00/MTok
Analyze your real spend

Quick start

Call Claude Haiku 4.5 with the Anthropic Python SDK:

from anthropic import Anthropic

client = Anthropic()
response = client.messages.create(
    model="claude-haiku-4-5",
    max_tokens=3000,
    messages=[{"role": "user", "content": "Your prompt here"}]
)
# Cost: ~$0.0165 per call at standard rates
# Input:  $1.00/MTok
# Output: $5.00/MTok

How Claude Haiku 4.5 compares on cost

Per-call cost for all models scoring 50+ on math reasoning benchmarks. Hover for details.

Cheapest viable option: Claude Sonnet 5 at $0.0330/call (-100% less, 90/100 quality).

Complete Claude Haiku 4.5 pricing breakdown

Standard token rates

Direction$/MTokTokens per call
Input$1.001,500
Output$5.003,000

Prompt caching: 90% off input tokens

Caching drops input cost from $1.00 to $0.10/MTok. For repeated system prompts, that saves $0.001350 per call.

Batch API: 50% off all tokens

Submit requests asynchronously and receive 50% off all token costs. This works best for offline pipelines where latency requirements are flexible.

Monthly cost projections

Monthly volumeCost per callStandard monthlyCached monthlyYou save with caching
10,000 calls$0.0165$165$151.5$13.5
50,000 calls$0.0165$825$757.5$67.5
100,000 calls$0.0165$1,650$1,515$135
500,000 calls$0.0165$8,250$7,575$675
1,000,000 calls$0.0165$16,500$15,150$1,350

Claude Haiku 4.5 quality benchmarks for math reasoning

Consider alternatives for math reasoning

Scores 65/100 (rank #7 of 14). Better options exist at similar price points for math reasoning.

Top-ranked: Claude Fable 5 (98/100) at $0.1650/call

Performance across all task types

Claude Haiku 4.5 scores by task type. Math Reasoning highlighted.

Classification90Extraction88Q&A86Summarization82Code Generation72Code Review70Reasoning *65Creative Writing60
Task typeConfidence scoreRank out of 14
Classification90/100#2
Extraction88/100#2
Q&A86/100#4
Summarization82/100#5
Code Generation72/100#6
Code Review70/100#7
Reasoning(current page)65/100#7
Creative Writing60/100#7

Alternative models for math reasoning

9 models score 80+ on math reasoning benchmarks, sorted by input rate. Cheapest: Claude Sonnet 5 (-100% less, 90/100 quality).

ModelProviderInput $/MTokOutput $/MTokQualityPer callvs Claude
Claude Sonnet 5Claude$2.00$10.0090/100$0.0330100% more
Gemini 3.1 ProGemini$2.00$12.0090/100$0.0390136% more
GPT 5.4GPT$2.50$15.0080/100$0.0488195% more
GPT 5.6 TerraGPT$2.50$15.0082/100$0.0488195% more
Claude Sonnet 4.6Claude$3.00$15.0088/100$0.0495200% more
Claude Opus 4.8Claude$5.00$25.0097/100$0.0825400% more
GPT 5.5GPT$5.00$30.0095/100$0.0975491% more
GPT 5.6 SolGPT$5.00$30.0096/100$0.0975491% more
Claude Fable 5Claude$10.00$50.0098/100$0.1650900% more

About Claude Haiku 4.5

Provider

Claude

Tier

Fast / Budget

Context

200K tokens

Released

Oct 2025

Other models from Claude

ModelTierInput $/MTokOutput $/MTokContext
Claude Opus 4.8Flagship$5.00$25.00200K
Claude Sonnet 4.6Mid-tier$3.00$15.00200K
Claude Sonnet 5Mid-tier$2.00$10.00200K
Claude Fable 5Flagship$10.00$50.001,000K

You can compare Claude Haiku 4.5 head-to-head against any other model on our model comparison pages, or track how pricing has changed over time on the pricing history tracker.

Frequently asked questions

How much does Claude Haiku 4.5 cost for math reasoning per API call?

$0.0165 per call at 1,500 input / 3,000 output tokens.

Is Claude Haiku 4.5 the best model for math reasoning?

Scores 65/100, rank #7 of 14 models. Top-ranked: Claude Fable 5 at 98/100.

What is the cheapest model for math reasoning with good quality?

Claude Sonnet 5 scores 90/100 quality at $2.00/$10.00 per MTok. That is -100% less than Claude Haiku 4.5 per call.

How can I reduce my Claude Haiku 4.5 costs for math reasoning?

Three strategies: prompt caching (90% off input), batch API (50% off all tokens), prompt optimization. Combined: $0.0165 drops to about $0.000825 per call.

How does Claude Haiku 4.5 pricing compare to other Claude models?

Claude also offers: Claude Opus 4.8 at $5.00/$25.00, Claude Sonnet 4.6 at $3.00/$15.00, Claude Sonnet 5 at $2.00/$10.00, Claude Fable 5 at $10.00/$50.00.

What context window does Claude Haiku 4.5 support?

200K tokens total. Typical math reasoning calls use 1,500 plus 3,000 tokens, well within limits.

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This calculator estimates costs based on published rates only. Connect your API usage to see where your money goes and which models drive your spend.