Claude Haiku 4.5

anthropic/claude-haiku-4-5

fastest & most compact, great for quick tasks.

cmd --model claude-haiku-4-5
Intelligence index
17.4
Output speed
91.3 tok/s
Input
$1 /M
Output
$5 /M
Cache read
$0.10 /M
Agent-loop cost
$0.37 /M in
Context window
200K tokens
Released
October 15, 2025
Modalities

vs. the lineup

Claude Haiku 4.5 beside its stablemates and nearest rivals. The ◆ marks the best value in each column across every row shown.

pin a rival:
ModelIntelligenceCodingSpeedInput $/MOutput $/MBlended $/MContext
Claude Fable 5.156.881.667.6$10$50$201M
Claude Opus 554.17851.6$5$25$101M
Claude Fable 553.276.562.2$10$50$201M
Claude Sonnet 545.171.580$2$10$41M
Claude Sonnet 4.638.563$3$15$61M
Claude Haiku 4.517.491.3$1$5$2200K
DeepSeek V4 Pro (latest)pinned42.168.862.1$0.66$1.98$0.991M
DeepSeek V4 Flash (latest)pinned4169.1117.7$0.15$0.60$0.261M

coding performance

The Intelligence Index and its sub-scores, ranked against every scored model in the catalog. A metric that has not been measured for Claude Haiku 4.5 has been left empty.

IFBench
42
instruction following
Intelligence Index
17.4
#59 of 59 scored
Long-context reasoning
49.7
reasoning across a long context
GPQA Diamond
64.6
graduate-level QA

usage calculator

How far a month of credits goes on Claude Haiku 4.5.

Claude Haiku 4.5 runs on Pro and up — from $20/mo.
Input tokensfresh prompt
800
Output tokensmodel reply
180
Cache read tokensre-read context
50K
cost / request $0.0067 · in $1 · out $5 · cache $0.10 per M
fresh input 12%output 13%cache reads 75%
Requests / 30 days
3.0K
$20 credits ÷ $0.0067 per request
~597 quick fixes~119 bug fixes~20 feature PRs

what real work costs

Real coding tasks priced end to end on Claude Haiku 4.5, from a quick lookup to a full-repo agent run.

One agent task
$0.12
180K in at 75% cache hit, 12K out
What you pay
$0.62 /M
all-in across every token that task touched
Sticker input
$1 /M
cache reads bill at $0.10 /M instead
TaskTokens in · outClaude Haiku 4.5Muse Spark 1.3 Contributor
Quick lookup / one-liner8K · 1K$0.0065$0.0003
Review a 500-line PR60K · 4K$0.04$0.0027
Fix a bug (agent loop)180K · 12K$0.12$0.0072
Refactor a module320K · 20K$0.21$0.01
Full-repo agent run900K · 45K$0.49$0.03

frequently asked

How much does Claude Haiku 4.5 cost?
$1/M input and $5/M output, cache reads $0.10/M. In an agent loop most input is cache-read, so the effective input rate is about $0.37/M.
Which plan do I need?
Available on Pro and above.
How do I switch to it?
Run cmd --model claude-haiku-4-5, or type /model in a session and pick it. You can switch mid-session without losing context.

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Benchmarks from Artificial Analysis (v4.3)commandcode.ai/models/claude-haiku-4-5