Compare / head-to-head
Claude Haiku 4.5vso3-pro
Claude Haiku 4.5 and o3-pro do not yet share a public benchmark, so quality cannot be compared apples-to-apples. Claude Haiku 4.5 is 16.7x cheaper per token. Both offer a 200K-token context window.
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
0
no overlap yet
Cheaper per token
Claude Haiku 4.5
16.7x cheaper, input + output
Larger context
Tie
both 200K tokens
Provider uptime (30d)
100% · 95.0311%
Anthropic · OpenAI
Claude Haiku 4.5
Anthropic · released 2025-10-15
textvision
Quality
Benchmark matrix
0 shared · 4 only Claude Haiku 4.5 · 0 only o3-pro| Benchmark | Claude Haiku 4.5 | o3-pro | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 0 | ||||
| No public benchmark is reported for both models yet. | ||||
| Only Claude Haiku 4.5 reports · 4 | ||||
| SWE-bench Verified | 73.3% ↗ | not reported | — | — |
| GPQA Diamond | 71.2% ↗epoch | not reported | — | — |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | 66.7% ↗epoch | not reported | — | — |
| SimpleQA Verified | 13.2% ↗epoch | not reported | — | — |
| Only o3-pro reports · 0 | ||||
| o3-pro reports nothing Claude Haiku 4.5 does not. | ||||
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is Claude Haiku 4.5 minus o3-pro in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing
Side by side
Official pricing pages and model cards| Spec | Claude Haiku 4.5 | o3-pro | Edge |
|---|---|---|---|
| Context window | 200K tokens | 200K tokens | Tie |
| Max output | 64K tokens | 100K tokens | o3-pro |
| Input price / 1M | $1 ↗ | $20 ↗ | Claude Haiku 4.5 |
| Output price / 1M | $5 ↗ | $80 ↗ | Claude Haiku 4.5 |
| Cached input / 1M | $0.1 ↗ | — | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $6 | $100 | Claude Haiku 4.5 |
| Modalities | text · vision | text · vision | Tie |
| Released | 2025-10-15 | 2025-06-10 | — |
| Cited benchmark scores | 4 | 0 | — |
Reliability
Provider status
Last 60 days · refreshed daily on this page · live on /statusMore matchups
Claude Haiku 4.5 vs …
Models sharing the most benchmarksBuilt by Respan
Which one wins on your data?
Public benchmarks are a starting point. Run Claude Haiku 4.5 and o3-pro on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.