Compare
gpt-oss-120b vs Jp Anthropic Claude Sonnet 4 6
This page is context-first: how much text each model can take in one request. Full specs adds capabilities and limits; the pricing matrix below is only about $/million tokens from hosts that list both models.
Model
Jp Anthropic Claude Sonnet 4 6
Context window
1M
1,000,000 tokens · ~750K words
Context window · side by side
Bar length is relative to the larger of the two windows (100% = max of this pair). This is not pricing.
Jp Anthropic Claude Sonnet 4 6 has about 7.6× the context window of the other in this pair.
Jp Anthropic Claude Sonnet 4 6 has 662% more context capacity (1000K vs 131K tokens). gpt-oss-120b is 98% cheaper on input.
Quick verdicts
Short takeaways — validate with your own workloads.
Long document processing
Use Jp Anthropic Claude Sonnet 4 6. Its 1000K context fits entire documents without chunking (vs 131K).
RAG / high-volume retrieval
Use gpt-oss-120b. Input tokens are 98% cheaper — critical when sending large retrieved contexts.
Long output (reports, code files)
Use gpt-oss-120b. Its 131K max output lets you generate complete artifacts in one request.
Full specs
Context, output, capabilities, and dates. Green highlights the favorable value where we compute a winner.
| Spec | gpt-oss-120b | Jp Anthropic Claude Sonnet 4 6 |
|---|---|---|
| Context window | 131,072 tokens (131K) | 1,000,000 tokens (1000K) |
| Max output tokens | 131,072 tokens (131K) | 64,000 tokens (64K) |
| Speed tier | Balanced | Balanced |
| Vision | No | Yes |
| Function calling | Yes | Yes |
| Extended thinking | Yes | Yes |
| Prompt caching | Yes | Yes |
| Batch API | No | Yes |
| Release date | Aug 2025 | N/A |
Pricing matrix
Dollar rates only: hosts that list both models, per 1M tokens. For how much text fits, use the context section above — not this table.
| Provider | gpt-oss-120b in | gpt-oss-120b out | Jp Anthropic Claude Sonnet 4 6 in | Jp Anthropic Claude Sonnet 4 6 out |
|---|---|---|---|---|
| Aws Bedrock | — | — | $3.30/M | $16.50/M |
| Azure | $0.150/M | $0.600/M | — | — |
| Baseten | $0.100/M | $0.500/M | — | — |
| Cerebras | $0.350/M | $0.750/M | — | — |
| Deepinfra | $0.050/M | $0.450/M | — | — |
| Fireworks | $0.150/M | $0.600/M | — | — |
| Groq | $0.150/M | $0.600/M | — | — |
| Ibm Watsonx | $0.150/M | $0.600/M | — | — |
| Novita | $0.050/M | $0.250/M | — | — |
| Openrouter | $0.180/M | $0.800/M | — | — |
| Ovhcloud | $0.080/M | $0.400/M | — | — |
| Replicate | $0.180/M | $0.720/M | — | — |
| Sambanova | $3.00/M | $4.50/M | — | — |
| Together Ai | $0.150/M | $0.600/M | — | — |
Frequently asked questions
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Example: a multi-turn chat session
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