Model comparison
Claude 3 Haiku vs Claude Opus 5
Head-to-head evidence from 10 shared benchmark results across 4 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Claude 3 Haiku #204 (Supported); Claude Opus 5 #1 (Estimated). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Claude 3 Haiku and Claude Opus 5 share 10 comparable benchmark results. 0 of 8 categories are comparable. 2 results are unique to Claude 3 Haiku; 69 to Claude Opus 5.
Updated July 24, 2026- Shared results
- 10
- Claude 3 Haiku only
- 2
- Claude Opus 5 only
- 69
- Comparable categories
- 0 / 8
Benchmark data for Claude 3 Haiku and Claude Opus 5 is coming soon on BenchLM.
Confidence note. This is a partial-evidence comparison with 10 shared benchmark results across 4 evidence categories; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.
Claude Opus 5 is priced at $5.00 input / $25.00 output per 1M tokens, versus $0.25 input / $1.25 output per 1M tokens for Claude 3 Haiku.
Category breakdown
Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.
| Category | Claude 3 Haiku | Δ | Claude Opus 5 |
|---|---|---|---|
| Agentic | Claude 3 HaikuNot measured | MarginNo overlap | Claude Opus 590.8 |
| Coding | Claude 3 HaikuNot measured | MarginNo overlap | Claude Opus 589.5 |
| Reasoning | Claude 3 HaikuNot measured | MarginNo overlap | Claude Opus 590.4 |
| Knowledge | Claude 3 HaikuNot measured | MarginNo overlap | Claude Opus 564.7 |
| Multimodal | Claude 3 HaikuNot measured | MarginNo overlap | Claude Opus 566.9 |
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Claude 3 Haiku | Claude Opus 5 | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Claude 3 Haiku$0.25 input / $1.25 output | Claude Opus 5$5 input / $25 output | Claude 3 Haiku has the lower combined listed price. |
| Generation speedtokens per second | Claude 3 Haiku138 tok/s | Claude Opus 5Not available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Claude 3 Haiku1.16 s | Claude Opus 5Not available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Claude 3 Haiku200K | Claude Opus 5Not available | A complete context comparison is not available. |
Benchmark Deep Dive
Agentic25 benchmarks
| Benchmark | Claude 3 Haiku | Claude Opus 5 | Result |
|---|---|---|---|
| τ²-bench resultsSource | 21.1% | — | Not comparable |
| FrontierBench v0.1Source | — | 43.3% | Not comparable |
| BrowseCompSource | — | 90.8% | Not comparable |
| HLE w/ toolsSource | — | 64.7% | Not comparable |
| DeepSearchQASource | — | 95.0% | Not comparable |
| DRACOSource | — | 88.6% | Not comparable |
| BrowseComp (10-agent, prerelease)Source | — | 93.6% | Not comparable |
| OSWorld 2.0Source | — | 70.6% | Not comparable |
| MCP AtlasSource | — | 85.8% | Not comparable |
| MCP-Atlas claim coverageSource | — | 89.1% | Not comparable |
| LAB all-pass (Anthropic harness)Source | — | 23.58% | Not comparable |
| LAB criterion-pass (Anthropic harness)Source | — | 93.74% | Not comparable |
| LAB all-pass (Harvey held-out)Source | — | 11.7% | Not comparable |
| LAB criterion-pass (Harvey held-out)Source | — | 94.1% | Not comparable |
| GDPval-AASource | — | 1861 | Not comparable |
| Toolathlon-VerifiedSource | — | 80.6% | Not comparable |
| Toolathlon Verified Pass@3Source | — | 87.0% | Not comparable |
| Toolathlon Verified Pass³Source | — | 73.1% | Not comparable |
| Toolathlon Verified avg. turnsSource | — | 23.5 turns | Not comparable |
| AutomationBenchSource | — | 26.0% | Not comparable |
| AA Agentic IndexSource | — | 55.3% | Not comparable |
| GDPval-AASource | — | 68.0% | Not comparable |
| AA Tau3 BankingSource | — | 30.3% | Not comparable |
| AA BriefcaseSource | — | 1720 | Not comparable |
| aaTerminalBench21Source | — | 89.1% | Not comparable |
Coding12 benchmarks
| Benchmark | Claude 3 Haiku | Claude Opus 5 | Result |
|---|---|---|---|
| AA-SciCodeSource | 18.6% | 55.7% | Claude Opus 5 leads |
| SWE-bench VerifiedSource | — | 96% | Not comparable |
| SWE-bench ProSource | — | 79.2% | Not comparable |
| SWE MultilingualSource | — | 89.5% | Not comparable |
| SWE MultimodalSource | — | 59.4% | Not comparable |
| deepSweSource | — | 68.8% | Not comparable |
| FrontierCode 1.1 MainSource | — | 53.4% | Not comparable |
| FrontierCode 1.1 ExtendedSource | — | 63.6% | Not comparable |
| ProgramBench (episode 1)Source | — | 83.0% | Not comparable |
| ProgramBenchSource | — | 93.0% | Not comparable |
| cursorBench32Source | — | 70.0% | Not comparable |
| AA Coding IndexSource | — | 78.0% | Not comparable |
Reasoning5 benchmarks
Knowledge21 benchmarks
| Benchmark | Claude 3 Haiku | Claude Opus 5 | Result |
|---|---|---|---|
| Artificial Analysis Intelligence IndexSource | 3.9% | 60.7% | Claude Opus 5 leads |
| AA-GPQA DiamondSource | 37.4% | 93.2% | Claude Opus 5 leads |
| AA-HLESource | 3.9% | 52.6% | Claude Opus 5 leads |
| AA-Omniscience IndexSource | -47.6% | 31.3% | Claude Opus 5 leads |
| AA-Omniscience AccuracySource | 17.2% | 54.2% | Claude Opus 5 leads |
| AA-Omniscience Hallucination RateSource | 78.2% | 50.1% | Claude Opus 5 leads |
| HLESource | — | 64.7% | Not comparable |
| HLE w/o toolsSource | — | 56.3% | Not comparable |
| HealthBench (raw)Source | — | 67.1% | Not comparable |
| HealthBench (length-adjusted)Source | — | 57.8% | Not comparable |
| HealthBench ProfessionalSource | — | 59.8% | Not comparable |
| HealthBench Professional (raw)Source | — | 73.4% | Not comparable |
| BioMysteryBench (human-solvable)Source | — | 90.1% | Not comparable |
| BioMysteryBench (human-difficult)Source | — | 49.4% | Not comparable |
| SpatialBench VerifiedSource | — | 72.5% | Not comparable |
| SingleCellBenchSource | — | 60.6% | Not comparable |
| ProteinGym HardSource | — | 47.7% | Not comparable |
| Protein DesignSource | — | 42.5% | Not comparable |
| Organic chemistry V2Source | — | 61.6% | Not comparable |
| Protocols (troubleshooting)Source | — | 61.1% | Not comparable |
| Protocols (understanding)Source | — | 78.4% | Not comparable |
Math5 benchmarks
Multilingual3 benchmarks
Multimodal9 benchmarks
| Benchmark | Claude 3 Haiku | Claude Opus 5 | Result |
|---|---|---|---|
| AA-MMMU-ProSource | 30.8% | 84.7% | Claude Opus 5 leads |
| Chartography (no tools)Source | — | 29.6% | Not comparable |
| Chartography (tools)Source | — | 83.0% | Not comparable |
| BenchCAD Vision2Code (no tools)Source | — | 0.366 | Not comparable |
| BenchCAD Vision2Code (tools)Source | — | 0.821 | Not comparable |
| GDP.pdf (no tools)Source | — | 83.4% | Not comparable |
| GDP.pdf (tools)Source | — | 85.5% | Not comparable |
| OfficeQASource | — | 78.1% | Not comparable |
| OfficeQA ProSource | — | 66.9% | Not comparable |
Inst. Following1 benchmarks
| Benchmark | Claude 3 Haiku | Claude Opus 5 | Result |
|---|---|---|---|
| AA-IFBenchSource | 36.1% | — | Not comparable |
Frequently Asked Questions (3)
Can I compare Claude 3 Haiku and Claude Opus 5 on BenchLM yet?
Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.
Why does this comparison show “coming soon”?
BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.
What data is available for Claude 3 Haiku and Claude Opus 5 today?
Claude 3 Haiku: $0.25 input / $1.25 output per 1M tokens Claude Opus 5: $5.00 input / $25.00 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.