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Claude 3.7 SonnetvsGPT-6 Astra

GPT-6 Astra leads 2 of 2 shared benchmarks. Claude 3.7 Sonnet is 3.3x cheaper per token. GPT-6 Astra has the larger context window (1.1M tokens).

Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.

Shared benchmarks
0 – 2
GPT-6 Astra leads
Cheaper per token
Claude 3.7 Sonnet
3.3x cheaper, input + output
Larger context
GPT-6 Astra
1.1M tokens
Provider uptime (30d)
100% · 95.4802%
Anthropic · OpenAI
Claude 3.7 Sonnet
Anthropic · released 2025-02-24
textvision
Context
200K
Max out
128K
Input /1M
$3
Output /1M
$15
Cached /1M
$0.3
Scores
5 · 5 core
GPT-6 Astra
OpenAI · released 2026-09-03
textvision
Context
1.1M
Max out
128K
Input /1M
$10
Output /1M
$50
Cached /1M
$1
Scores
8 · 5 core
Quality

Benchmark matrix

BenchmarkClaude 3.7 SonnetGPT-6 AstraΔEdge
Reported by both · 2
GPQA Diamond79.7% epoch96% -16.3 ptGPT-6 Astra
OTIS Mock AIME 2024-2025 (Epoch AI run)57.8% epoch100% epoch-42.2 ptGPT-6 Astra
Only Claude 3.7 Sonnet reports · 3
SWE-bench Verified70.3% not reported
AIME 202549.2% matharenanot reported
SWE-bench Verified (Epoch AI run)61% epochnot reported
Only GPT-6 Astra reports · 5
AutomationBenchnot reported41.4%
FrontierMath Tier 4 v2 (Epoch AI run)not reported97.6% epoch
FrontierMath Tiers 1-3 v2 (Epoch AI run)not reported93.7% epoch
SimpleQA Verifiednot reported75.6% epoch
Terminal-Bench Science 0.1not reported64.6%
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 3.7 Sonnet minus GPT-6 Astra 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

SpecClaude 3.7 SonnetGPT-6 AstraEdge
Context window200K tokens1.1M tokensGPT-6 Astra
Max output128K tokens128K tokensTie
Input price / 1M$3 $10 Claude 3.7 Sonnet
Output price / 1M$15 $50 Claude 3.7 Sonnet
Cached input / 1M$0.3 $1 Claude 3.7 Sonnet
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$18$60Claude 3.7 Sonnet
Modalitiestext · visiontext · visionTie
Released2025-02-242026-09-03
Cited benchmark scores58
Reliability

Provider status

All providers
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Which one wins on your data?

Public benchmarks are a starting point. Run Claude 3.7 Sonnet and GPT-6 Astra on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.