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Claude Haiku 4.5 vs Grok 4-20

Complete pricing and performance comparison between Anthropic's Claude Haiku 4.5 and xAI's Grok 4-20.

Quick Verdict

Cheaper
Claude Haiku 4.5
2.0x cheaper input, 1.2x cheaper output
Larger Context
Claude Haiku 4.5
200K vs 131K
Higher Quality
Grok 4-20
Score: 49 vs 31
Faster
Grok 4-20
101 vs 93 tok/s

Pricing Comparison

SpecClaude Haiku 4.5Grok 4-20Difference
ProviderAnthropicxAI
Input / 1M tokens$1$2Claude Haiku 4.5 is 50% more expensive
Output / 1M tokens$5$6Claude Haiku 4.5 is 17% more expensive
Context Window200K131K2x difference
Max Output8K16K

Performance Benchmarks

MetricClaude Haiku 4.5Grok 4-20Winner
Quality Index3149Grok 4-20
Output Speed93 tok/s101 tok/sGrok 4-20
Time to First Token0.48s20.69sClaude Haiku 4.5
Value (Quality/$)31.124.3Higher = better value

Benchmark data from Artificial Analysis. Quality Index is a composite score across reasoning, coding, and knowledge tasks.

Cost at Scale

Estimated cost at different usage levels (3:1 input-to-output token ratio, typical for chat).

UsageClaude Haiku 4.5Grok 4-20Savings
Single request
1K in / 300 out
$0.0025$0.0038Claude Haiku 4.5 saves $0.0013
10 requests
10K in / 3K out
$0.025$0.038Claude Haiku 4.5 saves $0.013
100 requests
100K in / 30K out
$0.250$0.380Claude Haiku 4.5 saves $0.130
1,000 requests
1M in / 300K out
$2.50$3.80Claude Haiku 4.5 saves $1.30
10,000 requests
10M in / 3M out
$25.00$38.00Claude Haiku 4.5 saves $13.00
1M requests/mo
1B in / 300M out
$2500.00$3800.00Claude Haiku 4.5 saves $1300.00

Pros & Cons

Claude Haiku 4.5 Strengths

  • +Cheaper input tokens
  • +Cheaper output tokens
  • +Larger context window (200K vs 131K)
  • +Lower latency (faster first token)

Grok 4-20 Strengths

  • +Higher max output tokens
  • +Faster output (101 vs 93 tok/s)
  • +Higher quality score (49 vs 31)

When to Use Each Model

Choose Claude Haiku 4.5 for

  • →Budget-conscious projects where cost is the primary factor
  • →Long documents, large codebases, or multi-turn conversations

Choose Grok 4-20 for

  • →Generating long-form content or detailed code
  • →Tasks requiring maximum accuracy and reasoning
  • →Real-time applications, chat, or autocomplete

Frequently Asked Questions

Which is cheaper, Claude Haiku 4.5 or Grok 4-20?
For input tokens, Claude Haiku 4.5 is 2.0x cheaper at $1/1M tokens. For output tokens, Claude Haiku 4.5 is 1.2x cheaper at $5/1M tokens. At typical usage (1M input + 300K output), Claude Haiku 4.5 costs $2.50 vs Grok 4-20 at $3.80.
What's the context window difference?
Claude Haiku 4.5 supports 200K context (200,000 tokens), while Grok 4-20 supports 131K (131,072 tokens). Claude Haiku 4.5 can handle 2x more context in a single request.
Which model has better benchmarks?
Quality Index: Claude Haiku 4.5 scores 31 vs Grok 4-20 at 49. Speed: Claude Haiku 4.5 generates 93 tok/s vs Grok 4-20 at 101 tok/s. Time to first token: Claude Haiku 4.5 at 0.48s vs Grok 4-20 at 20.69s.
When should I choose Claude Haiku 4.5 over Grok 4-20?
Choose Claude Haiku 4.5 when you need: Cheaper input tokens, Cheaper output tokens, Larger context window (200K vs 131K), Lower latency (faster first token). Choose Grok 4-20 when you need: Higher max output tokens, Faster output (101 vs 93 tok/s), Higher quality score (49 vs 31).
How much would 10,000 API requests cost?
At 1K input + 300 output tokens per request (typical chat): Claude Haiku 4.5 = $25.00, Grok 4-20 = $38.00. At 10K input + 1K output per request (longer conversations): Claude Haiku 4.5 = $150.00, Grok 4-20 = $260.00.

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Claude Haiku 4.5 DetailsGrok 4-20 DetailsFull Pricing TableCost Calculator