MODEL PROOF
Claude Sonnet 4.5 (batch)
NOT INDEPENDENTLY RATED
No independent LMArena score is published for this model.
Base context tier shown; inspect the complete context ladder below.
- Independent LMArena score
- Not independently rated
- Context window
- 1M
- Maximum output
- 64K
- Input modalities
- text, image, file
- Output modalities
- text
- Published input price
- $1.50 / 1M tokens
- Published output price
- $7.50 / 1M tokens
- Pricing kind
- fixed
- Context tiers
- Tiered by context
Inspect complete billing conditions and endpoint terms below.
Every price dimension · USD per million tokens
| Input | $1.50/M |
|---|---|
| Output | $7.50/M |
| Cached input | $0.150/M |
| Cache write | $1.88/M |
| Cache write 1h | $3.00/M |
| Reasoning | Unknown/M |
| Web search | $0.01/call |
The headline rate does not apply to a long-context workload.
Complete context ladder · 1 tier
| More than 200,000 tokens | $3.00/M in (2×) $11.25/M out $0.300/M cached input $3.75/M cache write |
|---|
Independent scores
No independent benchmark has measured this model. Unrated is not a score of zero.
Best rankings by task
- ASCII art #22 1216
- Mobile apps #31 1134
- Full-stack apps #35 1049
- Web apps #36 1053
- SVG #55 1114
- Code categories #56 1187
- 3D #56 1165
- Game development #59 1179
Per-task Elo and rank from Design Arena, via OpenRouter’s model feed. The rank is the feed’s, and it counts models OpenRouter does not list.
Capability
| Context window | 1M |
|---|---|
| Max output | 64K |
| Input modes | text, image, file |
| Tool use | yes |
| Reasoning | optional |
| Knowledge cutoff | 2025-01-31 |
| Open weights | no |
Provenance
| Price source | openrouter.ai |
|---|---|
| Fetched | 2026-10-06 |
| Quality data | unrated |
Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchmarks such as SWE-bench Verified, with...
Questions this page answers
What does Claude Sonnet 4.5 (batch) cost?
$1.50/M in, $7.50/M out in this catalogue, as of the fetch date on this page. That is the API row, not a subscription.
Does Claude Sonnet 4.5 (batch) have an independent quality score?
Claude Sonnet 4.5 (batch) has no independent quality score in this catalogue. Unrated is not a score of zero.
What beats Claude Sonnet 4.5 (batch)?
Claude Sonnet 4.5 (batch) has no independent quality score. Unrated is not a score of zero.
Does this page use Artificial Analysis scores for Claude Sonnet 4.5 (batch)?
No. Artificial Analysis figures are not published here. Quality on this page is LMArena Elo where a score exists; otherwise the row is unrated.
Does a missing score mean Claude Sonnet 4.5 (batch) scored zero?
Unrated is not a score of zero.
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