Claude Haiku 4.5 (2025-10-01) vs Claude Opus 4.6

Claude Haiku 4.5 (2025-10-01) vs Claude Opus 4.6: Claude Haiku 4.5 (2025-10-01) is cheaper by 80% on average. Claude Haiku 4.5 (2025-10-01) from Anthropic (200,000-token context, reasoning, tool calls) vs. Claude Opus 4.6 from Azure AI Foundry (200,000-token context, reasoning, tool calls). Use Agent Command Center to A/B both in shadow mode and pick the winner per workload.

Side-by-side cost

Live workload comparison

Same workload run through both models. The cheaper one is highlighted.

3,000
0200,000
400
0128,000
5,000
01,000,000
Anthropic
$761/mo
Input $1.00/M · Output $5.00/M
Azure AI Foundry
$3,805/mo
Input $5.00/M · Output $25.00/M
At this workload, Claude Haiku 4.5 (2025-10-01) is 80% cheaper than Claude Opus 4.6 — a savings of $3,044/month ($36,525/year).
Production recipe — Agent Command Center
strategy: cost-optimized
primary:
  model: claude-haiku-4-5-20251001
  provider: anthropic
fallback:
  model: claude-opus-4-6
  provider: azure-ai-foundry
shadow: { sample_rate: 0.05 }   # mirror 5% of traffic to compare quality live
Claude Haiku 4.5 (2025-10-01) Claude Opus 4.6
Input price $1.00/M $5.00/M
Output price $5.00/M $25.00/M
Context window 200,000 200,000
Max output 64,000 128,000
Function calling
Vision
Audio input
Reasoning
Prompt caching
Structured output
Pricing verified May 12, 2026 May 12, 2026
Cheaper option
~80% cheaper than Claude Opus 4.6
Larger context
200,000 tokens
More capabilities
5 of 6 capability flags advertised

Benchmark comparison

Side-by-side public benchmark scores. Greener bar = winner.

Chatbot Arena ELOgeneral
Claude Haiku 4.5 (2025-10-01)
1,310
Claude Opus 4.6
1,502
τ-bench (retail)agent
Claude Haiku 4.5 (2025-10-01)
Claude Opus 4.6
91.9%
GPQA Diamondreasoning
Claude Haiku 4.5 (2025-10-01)
55.2%
Claude Opus 4.6
91.3%
MMLUgeneral
Claude Haiku 4.5 (2025-10-01)
Claude Opus 4.6
91.1%
HumanEvalcode
Claude Haiku 4.5 (2025-10-01)
89.5%
Claude Opus 4.6
SWE-bench Verifiedagent⚠ different settings
Claude Haiku 4.5 (2025-10-01)
52.0%
Claude Opus 4.6
81.4%
BFCL v3agent
Claude Haiku 4.5 (2025-10-01)
79.3%
Claude Opus 4.6
MMMU-Promultimodal
Claude Haiku 4.5 (2025-10-01)
Claude Opus 4.6
73.9%
MMLU-Proreasoning
Claude Haiku 4.5 (2025-10-01)
72.4%
Claude Opus 4.6
ARC-AGI-2reasoning
Claude Haiku 4.5 (2025-10-01)
Claude Opus 4.6
68.8%
Humanity's Last Examreasoning
Claude Haiku 4.5 (2025-10-01)
Claude Opus 4.6
53.0%