Claude Sonnet 5
Anthropic · released Jun 30, 2026
- Type
- Proprietary
- Input
- $2.00
- Output
- $10.00
- Cached
- $0.20
List price · per 1M tokens · Anthropic at 1M context · source ↗
Our take
Written Aug 2, 2026Anthropic's Claude Sonnet 5 is the middle model in the Claude line. It offers most of the capability of Opus 5 at a much lower price and can handle the same one-million-token request limit. It is the sensible default for production Claude workloads.
Make this your default for production Claude work: coding assistants, agents and RAG. Use it when you need the one-million-token request limit on a smaller budget, or when multi-cloud deployments require identical pricing across AWS, Azure and Google Cloud. Skip it if you must self-host or if open-weights pricing is a hard requirement.
The case for it
- Roughly two and a half times cheaper than Opus 5 with the same one-million-token limit.
- Same price across five hosting routes: Anthropic, Bedrock, Azure, Vertex and OpenRouter.
The case against it
- Not downloadable, so API access only; no self-hosting path.
- Still more expensive than large downloadable alternatives; GLM 5.2 output is roughly one-fifth of this price.
How good is it?
IntelligencePuzzles, maths, exam questions
Arena Text (overall)89th of 143 · 1373.3
Also on this board: 1462.4 via High (Aug 2, 2026). Read the pair, not the higher one.
CodingWriting and fixing code on its own
Arena Coding81st of 143 · 1435.2
Also on this board: 1526.4 via High (Aug 2, 2026). Read the pair, not the higher one.
AgenticPlanning, calling tools, staying on task
Arena Agent (IPS)5th of 36 · 0.086via High
WritingWe do not rate this
Two boards come close and neither tests writing: Arena Creative Writing asks people which of two replies they prefer, and LiveBench Language tests whether a model understood a passage. So we show where Claude Sonnet 5 placed and give it no mark out of five.
These tests check whether a model follows instructions — a precondition for all the work above, but not a measure of how well that work is done, which is why they get no rating.
Every published score for this model16 scoresEvery figure we hold, from 16 boards, with who ran it and a link to the source — including the boards no rating above is built on.
Or rent it from someone else
Why this differs from the header. The strip above quotes Anthropic's own list price. This is the cheapest live offer at the widest standard context we hold, whoever is serving it — a reseller undercutting a lab is ordinary commerce, not an error.
- per 1M tokens
- $2.00 in / $10.00 out
- Context served
- 1M
- Throughput
- Not measured
| Provider | In / out per 1M tokens | Context | Throughput | Trains on prompts | Logs prompts | Zero retention |
|---|---|---|---|---|---|---|
| Amazon Bedrockglobal | $2.00 / $10.00 | 1M | 57 tok/s | No | No | Confirmed |
| OpenRouter | $2.00 / $10.00 | 1M | not measured | Unknown | Unknown | Unknown |
| Microsoft Azure AIus-east-2 | $2.00 / $10.00 | 1M | 50 tok/s | No | No | Unknown |
| Microsoft Azure AIglobal | $2.00 / $10.00 | 1M | 47 tok/s | No | No | Confirmed |
| Google Vertex AIglobal | $2.00 / $10.00 | 1M | 63 tok/s | No | No | Confirmed |
| DeepInfra | $2.00 / $10.00 | 1M | not measured | Unknown | Unknown | Unknown |
| Anthropic | $2.00 / $10.00 | 1M128K out | 70 tok/s | No | Yes30 days | Unknown |
| Amazon Bedrockclaude-on-aws | $2.00 / $10.00 | 1M | 31 tok/s | No | No | Unknown |
| Amazon Bedrockus-east-1 | $2.20 / $11.00 | 1M | 8 tok/s | No | No | Confirmed |
| Google Vertex AIeurope | $2.20 / $11.00 | 1M | 106 tok/s | No | No | Confirmed |
Amazon Bedrock
Microsoft Azure AI
Google Vertex AI
DeepInfraAcross the 10 listings we hold: 8 say they do not train on prompts, 0 say they do and 2 do not say. 5 appear in the zero-retention registry we check; the rest are unknown to us rather than confirmed either way.
What each host's API supports
From the parameter list each endpoint publishes. Streaming is omitted: nothing we hold reports it, for any model.
- ✓
- Supported
- ✗
- Not supported
- Not published
- host gave no parameter list
| Provider | Tool calling | JSON output | Strict schema |
|---|---|---|---|
| Amazon Bedrockglobal | ✓ | ✓ | ✓ |
| OpenRouter | ✓ | ✓ | ✓ |
| Microsoft Azure AIus-east-2 | ✓ | ✓ | ✓ |
| Microsoft Azure AIglobal | ✓ | ✓ | ✓ |
| Google Vertex AIglobal | ✓ | ✓ | ✗ |
| DeepInfra | |||
| Anthropic | ✓ | ✓ | ✓ |
| Amazon Bedrockclaude-on-aws | ✓ | ✓ | ✓ |
| Amazon Bedrockus-east-1 | ✓ | ✓ | ✓ |
| Google Vertex AIeurope | ✓ | ✓ | ✗ |
Tool calling: 9 of 10 listings say yes, 1 publishes no parameter list. JSON output: 9 of 10 listings say yes, 1 publishes no parameter list. Strict schema: 7 of 10 listings say yes, 2 say no, 1 publishes no parameter list.
Models people weigh against Claude Sonnet 5
When we formed this view
Dates behind this page
Prices last checked 9d ago
What we do not know about this model yet
- 1 of 10 listings publish no parameter list, so what their API accepts is unknown to us.
- Nothing we hold says whether an endpoint streams, so we do not show it either way.
- 2 of 10 listings do not say whether they train on prompts.
Licence and identifiers
What the licence allowsWe hold no licence record for this model. Inside are the identifiers you need to pull it — its Hugging Face repo where we have one, our slug and a machine-readable card.
Licence
Commercial API terms. We hold no licence record for this model, so there is nothing to summarise here.
Identifiers
- Modality record
- text+image+file->text
- Catalogue slug
- anthropic-claude-sonnet-5