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Claude 3 Haiku vs Claude Opus 4.8

How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Claude 3 Haiku and Claude Opus 4.8.

Anthropic

Claude 3 Haiku

Claude 3 Haiku is Anthropic's fastest and most compact model for near-instant responsiveness. Quick and accurate targeted performance. See the launch announcement and benchmark results [here](https://www.anthropic.com/news/claude-3-haiku) #multimodal

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Anthropic

Claude Opus 4.8

Claude Opus 4.8 is Anthropic's most capable generally available model in the Opus family. It supports text, image, and file inputs with text output, with reasoning support and a 1M-token...

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Technical Specifications

SpecificationClaude 3 HaikuClaude Opus 4.8
ProviderAnthropicAnthropic
Context Window200,000 tokens1,000,000 tokens
Agent SuitabilityN/A97/100
Time to First Token (TTFT)N/A520 ms
Deployment Modelmanaged apimanaged api
Production Stabilitystablebeta
API AvailableYesYes
Released Date2024-03-132026-05-27

API Pricing Comparison

Input Price per Million Tokens

Claude 3 Haiku

$0.25

Claude Opus 4.8

$5.00

Output Price per Million Tokens

Claude 3 Haiku

$1.25

Claude Opus 4.8

$25.00

Want to test both models live?

Run side-by-side prompt prompts in our dynamic Sandbox. Check execution speeds, latency metrics, and compute actual costs in real-time.

Benchmark Performance Metrics

Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.

MMLUGeneral knowledge & multi-task understanding
7520.0%vs9540.0%
Claude 3 Haiku
Claude Opus 4.8
HumanEvalPython coding & logic synthesis
7590.0%vs9720.0%
Claude 3 Haiku
Claude Opus 4.8
MATHComplex mathematical problem solving
3890.0%vs9410.0%
Claude 3 Haiku
Claude Opus 4.8
GPQAGraduate-level expert reasoning
3200.0%vs8650.0%
Claude 3 Haiku
Claude Opus 4.8
HellaSwagCommonsense reasoning and inference
8810.0%vs9920.0%
Claude 3 Haiku
Claude Opus 4.8
MT-BenchMulti-turn conversation flow quality
800.0%vs980.0%
Claude 3 Haiku
Claude Opus 4.8

Claude 3 Haiku Quirks & Gotchas

No developer gotchas reported.

Claude Opus 4.8 Quirks & Gotchas

  • โ–ธBest-in-class for autonomous code repair and multi-agent orchestration
  • โ–ธPreview model โ€” API may introduce breaking changes without notice