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anthropic

Claude Haiku API Pricing (September 2026)

claude-haiku-4-5-20251001

Compare Claude Haiku API pricing, explore each model’s capabilities, and start building with one NanoGPT API key.

VisionNative PDF inputTool CallingStructured Output
Input / 1M tokens
$1.00
Output / 1M tokens
$5.00
Cache read / 1M tokens
$0.10
Cache creation / 1M tokens
$1.25
1-hour cache creation / 1M tokens
$2.00
Average output tokens
272
Context
200,000

Get 3% extra credit when you top up with crypto. Top up with crypto

Build with Claude Haiku 4.5

curl https://nano-gpt.com/api/v1/chat/completions \
  -H "Authorization: Bearer $NANOGPT_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "claude-haiku-4-5-20251001",
  "messages": [
    {
      "role": "user",
      "content": "Hello!"
    }
  ]
}'

Set NANOGPT_API_KEY in your environment. Keep your API key on the server.

Compare model intelligence and coding benchmarks

Compare models using published benchmark scores. Higher scores are better. Each chart uses one benchmark and source version; these are current comparisons, not scores recorded at launch. Ranking pairs each model’s standard and thinking evaluations on one row, Value plots score against the output token rate, and Generations tracks each family release by release. Thinking evaluations are labeled with their published settings, and evaluation effort can affect scores.

Artificial Analysis Intelligence Index

Source version not published · 24 models scored

Using cached Artificial Analysis scores. Recent models and evaluations may be missing.

Which model scores highest, and what does thinking add?

Artificial Analysis Intelligence Index, highest score firstEach row is one model. The hollow marker is its standard evaluation, the filled marker its thinking evaluation, and the bar between them is what thinking adds.0102030405060Index score$ / 1M outputClaude Opus 5.5Claude Opus 5.5: 57.6 · thinking57.6thinking only$20Claude Sonnet 5.5Claude Sonnet 5.5 Thinking: 56 · thinking56thinking only$10Claude Fable 5.1Claude Fable 5.1: 53.4 · thinking53.4thinking only$50Claude Haiku 4.5Claude Haiku 4.5: 15.4 · standardClaude Haiku 4.5 Thinking: 16.9 · thinking16.9+1.5 thinking$5
StandardThinkingWhat thinking adds
Hover, tap, or focus a marker for its evaluation settings and rate.

Source: Artificial Analysis. Missing scores mean no verified matching result is available here for this version; they do not mean the model was never evaluated. Token rates are NanoGPT standard catalogue rates.

View all benchmark scores and evaluation details
Artificial Analysis Intelligence Index (unversioned) by model · index points
ModelScoreOutput / 1M
Claude Fable 5
49.6
$50
Claude Fable 5.1
53.4
$50
Claude Haiku 4.5
15.4
$5
Claude Haiku 4.5 Thinking
16.9
$5
Claude 4 Opus
16.6
$75
Claude 4 Opus Thinking
20.6
$75
Claude 4.1 Opus
18.6
$75
Claude 4.1 Opus Thinking
22.8
$75
Claude 4.5 Opus
23.7
$25
Claude 4.5 Opus Thinking
29.1
$25
Claude 4.6 Opus
26.4
$25
Claude 4.6 Opus Thinking
Score unavailable
$25
Claude 4.6 Opus Thinking Low
Score unavailable
$25
Claude 4.6 Opus Thinking Max
Score unavailable
$25
Claude 4.6 Opus Thinking Medium
Score unavailable
$25
Claude 4.7 Opus
30.9
$25
Claude 4.7 Opus Thinking
40.7
$25
Claude Opus 4.8
Score unavailable
$25
Claude Opus 4.8 Thinking
41.8
$25
Claude Opus 5
50.8
$25
Claude Opus 5.5
57.6
$20
Claude 4 Sonnet
16.6
$15
Claude 4 Sonnet Thinking
Score unavailable
$15
Claude Sonnet 4.5
19.3
$15
Claude Sonnet 4.5 Thinking
20.7
$15
Claude Sonnet 4.6
24.7
$15
Claude Sonnet 4.6 Thinking
30.1
$15
Claude Sonnet 5
23.2
$10
Claude Sonnet 5 Thinking
38.2
$10
Claude Sonnet 5.5
Score unavailable
$10
Claude Sonnet 5.5 Thinking
56
$10
Artificial Analysis Coding Index (unversioned) by model · index points
ModelScoreOutput / 1M
Claude Fable 5
76.5
$50
Claude Fable 5.1
81.6
$50
Claude Haiku 4.5
Score unavailable
$5
Claude Haiku 4.5 Thinking
43.9
$5
Claude 4 Opus
Score unavailable
$75
Claude 4 Opus Thinking
Score unavailable
$75
Claude 4.1 Opus
Score unavailable
$75
Claude 4.1 Opus Thinking
Score unavailable
$75
Claude 4.5 Opus
Score unavailable
$25
Claude 4.5 Opus Thinking
Score unavailable
$25
Claude 4.6 Opus
Score unavailable
$25
Claude 4.6 Opus Thinking
Score unavailable
$25
Claude 4.6 Opus Thinking Low
Score unavailable
$25
Claude 4.6 Opus Thinking Max
Score unavailable
$25
Claude 4.6 Opus Thinking Medium
Score unavailable
$25
Claude 4.7 Opus
Score unavailable
$25
Claude 4.7 Opus Thinking
73.6
$25
Claude Opus 4.8
Score unavailable
$25
Claude Opus 4.8 Thinking
74.3
$25
Claude Opus 5
78
$25
Claude Opus 5.5
Score unavailable
$20
Claude 4 Sonnet
Score unavailable
$15
Claude 4 Sonnet Thinking
Score unavailable
$15
Claude Sonnet 4.5
Score unavailable
$15
Claude Sonnet 4.5 Thinking
52.1
$15
Claude Sonnet 4.6
Score unavailable
$15
Claude Sonnet 4.6 Thinking
63
$15
Claude Sonnet 5
66.4
$10
Claude Sonnet 5 Thinking
71.5
$10
Claude Sonnet 5.5
Score unavailable
$10
Claude Sonnet 5.5 Thinking
Score unavailable
$10
LiveBench Overall (2026-06-25) by model · percent
ModelScoreOutput / 1M
Claude Fable 5Evaluation: claude-fable-5-max-effort
83.4%
$50
Claude Fable 5.1Evaluation: claude-fable-5-1-max-effort
83.8%
$50
Claude Haiku 4.5
Score unavailable
$5
Claude Haiku 4.5 Thinking
Score unavailable
$5
Claude 4 Opus
Score unavailable
$75
Claude 4 Opus Thinking
Score unavailable
$75
Claude 4.1 Opus
Score unavailable
$75
Claude 4.1 Opus Thinking
Score unavailable
$75
Claude 4.5 Opus
Score unavailable
$25
Claude 4.5 Opus ThinkingEvaluation: claude-opus-4-5-20251101-thinking-64k-high-effort
72.9%
$25
Claude 4.6 Opus
Score unavailable
$25
Claude 4.6 Opus ThinkingEvaluation: claude-opus-4-6-thinking-auto-high-effort
75.1%
$25
Claude 4.6 Opus Thinking Low
Score unavailable
$25
Claude 4.6 Opus Thinking Max
Score unavailable
$25
Claude 4.6 Opus Thinking Medium
Score unavailable
$25
Claude 4.7 Opus
Score unavailable
$25
Claude 4.7 Opus ThinkingEvaluation: claude-opus-4-7-xhigh-effort
77%
$25
Claude Opus 4.8
Score unavailable
$25
Claude Opus 4.8 ThinkingEvaluation: claude-opus-4-8-max-effort
77.1%
$25
Claude Opus 5Evaluation: claude-opus-5-max-effort
80.5%
$25
Claude Opus 5.5
Score unavailable
$20
Claude 4 Sonnet
Score unavailable
$15
Claude 4 Sonnet Thinking
Score unavailable
$15
Claude Sonnet 4.5
Score unavailable
$15
Claude Sonnet 4.5 Thinking
Score unavailable
$15
Claude Sonnet 4.6
Score unavailable
$15
Claude Sonnet 4.6 ThinkingEvaluation: claude-sonnet-4-6-thinking-auto-medium-effort
73.4%
$15
Claude Sonnet 5
Score unavailable
$10
Claude Sonnet 5 ThinkingEvaluation: claude-sonnet-5-xhigh-effort
76.6%
$10
Claude Sonnet 5.5
Score unavailable
$10
Claude Sonnet 5.5 Thinking
Score unavailable
$10
LiveBench Coding (2026-06-25) by model · percent
ModelScoreOutput / 1M
Claude Fable 5Evaluation: claude-fable-5-max-effort
86%
$50
Claude Fable 5.1Evaluation: claude-fable-5-1-max-effort
86.4%
$50
Claude Haiku 4.5
Score unavailable
$5
Claude Haiku 4.5 Thinking
Score unavailable
$5
Claude 4 Opus
Score unavailable
$75
Claude 4 Opus Thinking
Score unavailable
$75
Claude 4.1 Opus
Score unavailable
$75
Claude 4.1 Opus Thinking
Score unavailable
$75
Claude 4.5 Opus
Score unavailable
$25
Claude 4.5 Opus ThinkingEvaluation: claude-opus-4-5-20251101-thinking-64k-high-effort
79.7%
$25
Claude 4.6 Opus
Score unavailable
$25
Claude 4.6 Opus ThinkingEvaluation: claude-opus-4-6-thinking-auto-high-effort
78.2%
$25
Claude 4.6 Opus Thinking Low
Score unavailable
$25
Claude 4.6 Opus Thinking Max
Score unavailable
$25
Claude 4.6 Opus Thinking Medium
Score unavailable
$25
Claude 4.7 Opus
Score unavailable
$25
Claude 4.7 Opus ThinkingEvaluation: claude-opus-4-7-xhigh-effort
82.1%
$25
Claude Opus 4.8
Score unavailable
$25
Claude Opus 4.8 ThinkingEvaluation: claude-opus-4-8-max-effort
81.8%
$25
Claude Opus 5Evaluation: claude-opus-5-max-effort
81.4%
$25
Claude Opus 5.5
Score unavailable
$20
Claude 4 Sonnet
Score unavailable
$15
Claude 4 Sonnet Thinking
Score unavailable
$15
Claude Sonnet 4.5
Score unavailable
$15
Claude Sonnet 4.5 Thinking
Score unavailable
$15
Claude Sonnet 4.6
Score unavailable
$15
Claude Sonnet 4.6 ThinkingEvaluation: claude-sonnet-4-6-thinking-auto-medium-effort
79.3%
$15
Claude Sonnet 5
Score unavailable
$10
Claude Sonnet 5 ThinkingEvaluation: claude-sonnet-5-xhigh-effort
80.7%
$10
Claude Sonnet 5.5
Score unavailable
$10
Claude Sonnet 5.5 Thinking
Score unavailable
$10

Haiku model pricing per 1M tokens

USD per 1 million tokens · NanoGPT standard catalogue rates
Model / API IDInputCache readCache creationOutputContextAverage output tokensEstimated query cost
Claude Haiku 4.5claude-haiku-4-5-20251001$1.00$0.10$1.251-hour: $2.00$5.00200,000272$0.00236
Claude Haiku 4.5 Thinkingclaude-haiku-4-5-20251001-thinking$1.00$0.10$1.251-hour: $2.00$5.00200,000534$0.00367
Claude Haiku Latestanthropic/claude-haiku-latest$1.00$0.10$1.251-hour: $2.00$5.00200,000UnavailableUnavailable

Base text-token rates. Long-context pricing, tool charges, service tiers, and provider selection can change the total. Cache creation is charged when writing tokens to the cache; cache read applies when reusing them. The default cache duration applies unless labeled otherwise. Unsupported cache rates are marked unavailable.

Estimated query cost combines your input-token count with the model’s average output, rounded to whole tokens, at current standard rates. It assumes uncached input and excludes tool charges. This is an estimate for that workload, not a measured average total bill.

anthropic

Claude Haiku 4.5

claude-haiku-4-5-20251001

Claude Haiku 4.5 matches Sonnet 4's coding quality while running about twice as fast at roughly one-third the price, making it ideal for low-latency chat assistants, support bots, and pair programming. Pair it with Sonnet 4.5 to plan complex work and fan out execution across parallel Haiku workers.

VisionNative PDF inputTool CallingStructured Output
Input / 1M tokens
$1.00
Output / 1M tokens
$5.00
Cache read / 1M tokens
$0.10
Cache creation / 1M tokens
$1.25
1-hour cache creation / 1M tokens
$2.00
Average output tokens
272
Context
200,000

Build with Claude Haiku 4.5

curl https://nano-gpt.com/api/v1/chat/completions \
  -H "Authorization: Bearer $NANOGPT_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "claude-haiku-4-5-20251001",
  "messages": [
    {
      "role": "user",
      "content": "Hello!"
    }
  ]
}'

Set NANOGPT_API_KEY in your environment. Keep your API key on the server.

anthropic

Claude Haiku 4.5 Thinking

claude-haiku-4-5-20251001-thinking

Claude Haiku 4.5 with extended thinking enabled for deeper planning, more deliberate coding, and multi-step reasoning without moving up to Sonnet pricing.

ReasoningVisionNative PDF inputTool CallingStructured Output
Input / 1M tokens
$1.00
Output / 1M tokens
$5.00
Cache read / 1M tokens
$0.10
Cache creation / 1M tokens
$1.25
1-hour cache creation / 1M tokens
$2.00
Average output tokens
534
Context
200,000

Build with Claude Haiku 4.5 Thinking

curl https://nano-gpt.com/api/v1/chat/completions \
  -H "Authorization: Bearer $NANOGPT_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "claude-haiku-4-5-20251001-thinking",
  "messages": [
    {
      "role": "user",
      "content": "Hello!"
    }
  ]
}'

Set NANOGPT_API_KEY in your environment. Keep your API key on the server.

anthropic

Claude Haiku Latest

anthropic/claude-haiku-latest

Compatibility alias that routes to the newest version of Claude Haiku. Currently routes to Claude Haiku 4.5 Thinking.

ReasoningVisionNative PDF inputTool CallingStructured Output
Input / 1M tokens
$1.00
Output / 1M tokens
$5.00
Cache read / 1M tokens
$0.10
Cache creation / 1M tokens
$1.25
1-hour cache creation / 1M tokens
$2.00
Context
200,000

Build with Claude Haiku Latest

curl https://nano-gpt.com/api/v1/chat/completions \
  -H "Authorization: Bearer $NANOGPT_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "anthropic/claude-haiku-latest",
  "messages": [
    {
      "role": "user",
      "content": "Hello!"
    }
  ]
}'

Set NANOGPT_API_KEY in your environment. Keep your API key on the server.

Estimate a request’s token cost

$0.015

One request, standard uncached text tokens. Excludes tools and other charges. Known long-context rates apply automatically; invalid workloads or missing rates cannot be estimated.